WO2019136695A1 - Data transmission method and device, and computer storage medium - Google Patents

Data transmission method and device, and computer storage medium Download PDF

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Publication number
WO2019136695A1
WO2019136695A1 PCT/CN2018/072409 CN2018072409W WO2019136695A1 WO 2019136695 A1 WO2019136695 A1 WO 2019136695A1 CN 2018072409 W CN2018072409 W CN 2018072409W WO 2019136695 A1 WO2019136695 A1 WO 2019136695A1
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WO
WIPO (PCT)
Prior art keywords
network element
transmission resource
data
device group
core network
Prior art date
Application number
PCT/CN2018/072409
Other languages
French (fr)
Chinese (zh)
Inventor
刘建华
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2018/072409 priority Critical patent/WO2019136695A1/en
Priority to EP18899858.7A priority patent/EP3737035A4/en
Priority to PCT/CN2018/091504 priority patent/WO2019136925A1/en
Priority to JP2020538536A priority patent/JP2021510269A/en
Priority to KR1020207022523A priority patent/KR20200108863A/en
Priority to AU2018402233A priority patent/AU2018402233A1/en
Priority to CN201880085623.XA priority patent/CN111566996A/en
Publication of WO2019136695A1 publication Critical patent/WO2019136695A1/en
Priority to US16/926,463 priority patent/US11432266B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H04W4/08—User group management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/30—Definitions, standards or architectural aspects of layered protocol stacks
    • H04L69/32—Architecture of open systems interconnection [OSI] 7-layer type protocol stacks, e.g. the interfaces between the data link level and the physical level
    • H04L69/322—Intralayer communication protocols among peer entities or protocol data unit [PDU] definitions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0268—Traffic management, e.g. flow control or congestion control using specific QoS parameters for wireless networks, e.g. QoS class identifier [QCI] or guaranteed bit rate [GBR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/40—Connection management for selective distribution or broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/06—Transport layer protocols, e.g. TCP [Transport Control Protocol] over wireless
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/186—Processing of subscriber group data

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a data transmission method and apparatus, and a computer storage medium.
  • IoT devices In the future network, there will be a large number of Internet of Things (IoT) devices.
  • IoT devices such as wearable devices or smart furniture devices
  • the owner's smartphone which can be directly connected via a direct interface between the two, such as the sidelink interface. Connected.
  • the network needs to send a message to this group of terminals (such as wearable devices + smart phones), according to the current method, data will be sent to each terminal, resulting in serious waste of resources.
  • an embodiment of the present invention provides a data transmission method and apparatus, and a computer storage medium.
  • the data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  • the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group
  • the first transmission resource and/or the second transmission resource are used.
  • the resource attribute indicates that the device group corresponding to the data is the first device group.
  • the first transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS (Quality of Service) flow, and a Protocol Data Unit (PDU). Session, IP channel, GPRS Tunneling Protocol (GTP) channel.
  • a physical layer identifier a physical layer identifier
  • a logical channel a logical channel
  • a bearer a QoS (Quality of Service) flow
  • PDU Protocol Data Unit
  • Session IP channel
  • GTP GPRS Tunneling Protocol
  • the data is indicated by carrying group identification information of the first device group when transmitting the data.
  • the corresponding device group is the first device group.
  • the device group that is in the first device group is configured to carry the device group corresponding to the data by using the group identification information of the first device group when transmitting the data, including:
  • the first core network element encapsulates the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
  • the target protocol layer is: an IP layer or an AS layer.
  • the first core network element receives the data sent by the external network, and includes:
  • the first core network element receives the data sent by the external network by using the third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
  • the data sent by the external network carries the group identification information of the first device group.
  • the resource group of the third transmission resource indicates that the device group corresponding to the data is the first device group
  • the device group corresponding to the data is the first device group.
  • the first core network element sends the data to the access network element by using the first transmission resource, including:
  • the first core network element and the access network element have the dedicated transmission resource of the first device group, the first core network element passes the data through the dedicated transmission resource. Send to the access network element.
  • the first core network element sends the data to the access network element by using the first transmission resource, including:
  • the first core network element requests the first core network Establishing a dedicated transmission resource of the first device group between the element and the access network element;
  • the first core network element sends the data to the access network element through the dedicated transmission resource.
  • the first core network element requesting to establish the dedicated transmission resource of the first device group between the first core network element and the access network element includes:
  • the first core network element requests the third core network element to establish a dedicated transmission resource of the first device group between the first core network element and the access network element.
  • the third core network element when the first core network element requests to establish the dedicated transmission resource of the first device group between the first core network element and the access network element, the third core network element sends the group information of the first device group.
  • the group information of the first device group includes at least one of the following: PDU session information, QoS flow information, QoS information, core network address information, group identification information, an IP channel, and a GTP channel.
  • the first core network element sends the data to the access network element by using the first transmission resource, including:
  • the first core network element and the access network element have a common transmission resource
  • the first core network element sends the data to the access network element by using the common transmission resource.
  • the data carrying the group identification information of the first device group.
  • the first core network element if there is no dedicated transmission resource of the first device group between the first core network element and the access network element, and there is a common transmission resource, the first core The network element sends the data to the access network element through the public transmission resource.
  • the first core network element sends the data to the access network element by using the first transmission resource, including:
  • the first core network element If the first core network element and the access network element do not have a common transmission resource, the first core network element requests the first core network element and the access network Establish common transmission resources between network elements;
  • the first core network element sends the data to the access network element through the common transmission resource, where the data carries the group identification information of the first device group.
  • the first core network element requests to establish a common transmission resource between the first core network element and the access network element, including:
  • the first core network element is requested by the second core network element to establish a common transmission resource between the first core network element and the access network element by using a third core network element;
  • the first core network element requests a third core network element to establish a common transmission resource between the first core network element and the access network element.
  • the access network element receives the data sent by the first core network element by using the first transmission resource, where the data is data sent to the first device group;
  • the access network element sends the data to the terminal in the first device group by using a second transmission resource
  • the data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  • the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group
  • the first transmission resource and/or the second transmission resource are used.
  • the resource attribute indicates that the device group corresponding to the data is the first device group.
  • the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the data is indicated by carrying group identification information of the first device group when transmitting the data.
  • the corresponding device group is the first device group.
  • the access network element sends the data to the terminal in the first device group by using the second transmission resource, including:
  • the access network element sends the data to the first by using the dedicated transmission resource.
  • a terminal in a device group if the dedicated transmission resource of the first device group exists between the access network element and the terminal, the access network element sends the data to the first by using the dedicated transmission resource.
  • the access network element sends the data to the terminal in the first device group by using the second transmission resource, including:
  • the access network element and the terminal have a common transmission resource
  • the access network element sends the data to the terminal in the first device group by using the common transmission resource, where The data carries the group identification information of the first device group.
  • the terminal identifies that the device group corresponding to the data is the first device group
  • the data is transmitted on a user plane between the access network element and the terminal.
  • the terminal identifies that the device group corresponding to the data is the first device group, and includes:
  • the terminal identifies, by using the resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group.
  • the second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the terminal identifies that the device group corresponding to the data is the first device group, and includes:
  • the terminal identifies, by using the group identification information of the first device group carried in the data, that the device group corresponding to the data is the first device group.
  • the data transmission device provided by the embodiment of the present invention is applied to a first core network element, and the device includes:
  • a receiving unit configured to receive data sent by an external network, where the data is data sent to the first device group
  • a sending unit configured to send the data to the access network element by using the first transmission resource, so that the access network element sends the data to the first device group by using the second transmission resource terminal;
  • the data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  • the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group
  • the first transmission resource and/or the second transmission resource are used.
  • the resource attribute indicates that the device group corresponding to the data is the first device group.
  • the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the data is indicated by carrying group identification information of the first device group when transmitting the data.
  • the corresponding device group is the first device group.
  • the device further includes:
  • an encapsulating unit configured to encapsulate the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
  • the target protocol layer is: an IP layer or an AS layer.
  • the receiving unit is configured to receive data sent by an external network by using a third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
  • the data sent by the external network carries the group identification information of the first device group.
  • the resource group of the third transmission resource indicates that the device group corresponding to the data is the first device group
  • the device group corresponding to the data is the first device group.
  • the sending unit passes the data through the dedicated The transmission resource is sent to the access network element.
  • the device further includes:
  • a first requesting unit configured to request, in the first core network element, if a dedicated transmission resource of the first device group does not exist between the first core network element and the access network element Establishing a dedicated transmission resource of the first device group with the access network element;
  • a first establishing unit configured to establish, with the access network element, a dedicated transmission resource of the first device group
  • the sending unit is configured to send the data to the access network element by using the dedicated transmission resource.
  • the first requesting unit is configured to request, by the second core network element, a third core network element to be established between the first core network element and the access network element.
  • Dedicated transmission resource of the first device group or requesting, by the third core network element, to establish a dedicated transmission of the first device group between the first core network element and the access network element Resources.
  • the requesting unit requests to establish the dedicated transmission resource of the first device group between the first core network element and the access network element, to the third core network.
  • the network element sends the group information of the first device group.
  • the group information of the first device group includes at least one of the following: PDU session information, QoS flow information, QoS information, core network address information, group identification information, an IP channel, and a GTP channel.
  • the sending unit sends the data to the access network by using the common transmission resource.
  • a network element where the data carries group identification information of the first device group.
  • the sending unit if there is no dedicated transmission resource of the first device group between the first core network element and the access network element, and there is a common transmission resource, the sending unit The data is sent to the access network element through the common transmission resource.
  • the device further includes:
  • a second requesting unit configured to request, in the first core network element and the access network, if there is no common transmission resource between the first core network element and the access network element Establish public transmission resources between the elements;
  • a second establishing unit configured to establish the public transmission resource with the access network element
  • the sending unit is configured to send the data to the access network element by using the common transmission resource, where the data carries group identification information of the first device group.
  • the second requesting unit is configured to request, by the second core network element, a third core network element to be established between the first core network element and the access network element.
  • Public transmission resource or requesting a third core network element to establish a common transmission resource between the first core network element and the access network element.
  • the data transmission device provided by the embodiment of the present invention is applied to an access network element, and the device includes:
  • a receiving unit configured to receive, by using the first transmission resource, data sent by the first core network element, where the data is data sent to the first device group;
  • a sending unit configured to send the data to a terminal in the first device group by using a second transmission resource
  • the data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  • the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group
  • the first transmission resource and/or the second transmission resource are used.
  • the resource attribute indicates that the device group corresponding to the data is the first device group.
  • the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the data is indicated by carrying group identification information of the first device group when transmitting the data.
  • the corresponding device group is the first device group.
  • the sending unit sends the data to the location by using the dedicated transmission resource.
  • the terminal in the first device group if the dedicated transmission resource of the first device group exists between the access network element and the terminal, the sending unit sends the data to the location by using the dedicated transmission resource.
  • the sending unit sends the data to the terminal in the first device group by using a common transmission resource.
  • the data carries group identification information of the first device group.
  • the data transmission device provided by the embodiment of the present invention is applied to a terminal, and the device includes:
  • a receiving unit configured to receive data sent by an access network element by using a second transmission resource, where the data is data sent to the first device group;
  • An identifying unit configured to identify that the device group corresponding to the data is the first device group
  • the data is transmitted on a user plane between the access network element and the terminal.
  • the identification unit identifies, by using the resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group.
  • the second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the identification unit identifies, by using the group identification information of the first device group carried in the data, a device group corresponding to the data.
  • the first device group is described.
  • the computer storage medium provided by the embodiment of the present invention has computer executable instructions stored thereon, and the computer executable instructions are implemented by the processor to implement the data transmission method.
  • the first core network element receives the data sent by the external network, where the data is data sent to the first device group; the first core network element passes the data The first transmission resource is sent to the access network element, so that the access network element sends the data to the terminal in the first device group by using the second transmission resource; wherein the data is in the The first core network element, the access network element, and the user plane between the terminals are transmitted.
  • the group data of the device group is transmitted on the user plane, and no data is sent to each terminal of the device group, thereby avoiding waste of resources.
  • FIG. 1 is a system architecture diagram of a 5G network according to an embodiment of the present invention.
  • FIG. 2 is a system architecture diagram of a 4G network according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart 1 of a data transmission method according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a user plane transmission path according to an embodiment of the present invention.
  • FIG. 5 is a second schematic flowchart of a data transmission method according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart 3 of a data transmission method according to an embodiment of the present invention.
  • FIG. 7 is a first schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention.
  • FIG. 8 is a second schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention.
  • FIG. 9 is a third structural diagram of a data transmission apparatus according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a computer device according to an embodiment of the present invention.
  • FIG. 1 is a system architecture diagram of a 5G network according to an embodiment of the present invention. As shown in FIG. 1 , the devices involved in the 5G network system include:
  • UE User Equipment
  • RAN Radio Access Network
  • UPF User Plane Function
  • DN Data Network
  • AMF Receive Core Access
  • Mobility Manager AMF
  • Session Management Function SMF
  • PCF Policy Control Function
  • AF Application Function
  • AUSF Authentication Server Function
  • UDM Unified Data Management
  • FIG. 2 is a system architecture diagram of a 4G network according to an embodiment of the present invention. As shown in FIG. 2, the devices involved in the 4G network system include:
  • UE User Equipment
  • E-UTRAN Evolved Universal Terrestrial Radio Access Network
  • MME Mobility Management Entity
  • SGSN Serving GPRS Support Node
  • HSS Home Subscriber Server
  • PDN Packet Data Network Gateway
  • PCRF Policy and Charging Rules Function Unit
  • FIG. 1 and FIG. 2 are only examples of a network architecture that implements the embodiments of the present invention.
  • the embodiments of the present invention are not limited to the network structures described in FIG. 1 and FIG.
  • FIG. 3 is a schematic flowchart 1 of a data transmission method according to an embodiment of the present invention. As shown in FIG. 3, the data transmission method includes the following steps:
  • Step 301 The first core network element receives data sent by the external network, where the data is data sent to the first device group.
  • the external network may be a DN
  • the first core network element may be an UPF
  • the access network element may be a RAN.
  • the first device may include one terminal, and may also include two or more terminals.
  • the first core network element receives the data sent by the external network by using the third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
  • the data sent by the external network carries group identification information of the first device group.
  • the device group corresponding to the data is indicated by:
  • the 5G system is taken as an example.
  • the downlink group data is transmitted to the terminal through the user plane path, where the group data is data sent to a group of devices.
  • the DN when the external network has data to be sent to the first device group, the DN sends the data to the UPF, and the data transmission can be sent through a specific group channel, for example, a specific IP address, a specific device. Address, specific GTP-U channel, etc.
  • the DN carries group identification information in the transmitted data.
  • Step 302 The first core network element sends the data to the access network element by using the first transmission resource, so that the access network element sends the data to the a terminal in the first device group; wherein the data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  • the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group
  • the first transmission resource and/or the second transmission resource are used.
  • the resource attribute indicates that the device group corresponding to the data is the first device group;
  • the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the data is indicated by carrying group identification information of the first device group when transmitting the data.
  • the corresponding device group is the first device group.
  • the first core network element encapsulates the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
  • the target protocol layer is: an IP layer, or an AS layer.
  • the UPF may encapsulate the group identification information in the peer-to-peer protocol layer of the UPF and the UE (such as the IP layer or the AS layer), and the RAN side does not need to identify the group identification information; when the UE receives the data of the UPF peer-to-peer protocol layer After the unit, you can identify which group's group data the data is.
  • the first core network element sends the data to the access network element through the first transmission resource, and specifically includes the following situations:
  • Case 1 If the first core network element and the access network element have the dedicated transmission resource of the first device group, the first core network element passes the data through the The dedicated transmission resource is sent to the access network element.
  • the UPF when the UPF receives the group data from the outside, the data is sent to the RAN. If there is a group-specific connection channel between the RAN and the UPF, the UPF sends the data to the RAN on the group of dedicated connection channels. .
  • Case 2 if there is no dedicated transmission resource of the first device group between the first core network element and the access network element, the first core network element requests the first Establishing a dedicated transmission resource of the first device group between the core network element and the access network element; the first core network element sends the data to the access network through the dedicated transmission resource yuan.
  • the first core network element is requested by the second core network element to the third core network element to establish a relationship between the first core network element and the access network element. Dedicating a dedicated transmission resource of the first device group; or the first core network element requesting to establish, by the third core network element, between the first core network element and the access network element A dedicated transmission resource of the first device group.
  • the first core network requesting to establish the dedicated transmission resource of the first device group between the first core network element and the access network element, to the first
  • the third core network element sends the group information of the first device group, where the group information of the first device group includes at least one of the following: PDU session information, QoS flow information, QoS information, core network address information, and group identification information. , IP channel, GTP channel.
  • step 2a if there is no group-specific connection channel between the RAN and the UPF, then in step 2a: the UPF sends a request to establish a group-specific connection channel message to the SMF in the core network. (referred to as request message), which carries related information of the group, for example: PDU session information, QoS flow information, QoS information, core network address information, group identification information, and the like.
  • request message which carries related information of the group, for example: PDU session information, QoS flow information, QoS information, core network address information, group identification information, and the like.
  • the SMF requests the AMF to establish a group-specific connection channel between the UPF and the RAN, which carries related information of the group, such as PDU session information, QoS flow information, QoS information, core network address information, group identification information, and the like.
  • the AMF After receiving the request message, the AMF sends the request message to the RAN, and the RAN replies with a response message confirming that the group dedicated connection channel is established.
  • the AMF passes the response message to the SMF, which informs the UPF of the group-specific connection channel information in the response message.
  • Case 3 If there is a common transmission resource between the first core network element and the access network element, the first core network element sends the data to the access through the common transmission resource. a network element, where the data carries group identification information of the first device group.
  • the first A core network element sends the data to the access network element through the common transmission resource.
  • the AMF if there is no group-specific connection channel between the RAN and the AMF but there is a public connection channel, the AMF carries the group identification information while transmitting data to the RAN through the public connection channel.
  • Case 4 If there is no common transmission resource between the first core network element and the access network element, the first core network element requests the first core network element and the Establishing a common transmission resource between the access network elements; the first core network element transmitting the data to the access network element by using the public transmission resource, where the data carries the first device Group identification information for the group.
  • the second core network element may be an SMF
  • the third core network may be an AMF.
  • the first core network element sends a request to the third core network element via the second core network element to establish a common between the first core network element and the access network element. And transmitting, by the first core network element, a request to the third core network element to establish a common transmission resource between the first core network element and the access network element.
  • step 2a the UPF sends a request to establish a public connection channel message to the SMF in the core network (referred to as short Request message).
  • step 2b the SMF requests the AMF to establish a public connection channel between the UPF and the RAN.
  • the AMF After receiving the request message, the AMF sends the request message to the RAN, and the RAN replies with a response message confirming that the public connection channel is established.
  • the AMF passes the response message to the SMF, which informs the UPF of the public connection channel information in the response message.
  • the RAN encapsulates the group data according to the protocol layer format between the RAN and the UE. If there is a group-specific connection channel between the RAN and the UE (eg, dedicated physical resources, dedicated physical layer identification, dedicated logical channel, dedicated bearer, dedicated QoS flow, etc.), the group data is sent in the group-specific connection channel. Give the UE. If there is no group-specific connection channel between the RAN and the UE, the RAN carries the group identification information in the data and sends it to the UE. The UE identifies the group data according to the group-specific connection channel or identifies the group data according to the group identification information.
  • a group-specific connection channel between the RAN and the UE eg, dedicated physical resources, dedicated physical layer identification, dedicated logical channel, dedicated bearer, dedicated QoS flow, etc.
  • the group data is sent in the group-specific connection channel.
  • the RAN carries the group identification information in the data and sends it to the UE.
  • the UE identifie
  • FIG. 5 is a schematic flowchart 2 of a data transmission method according to an embodiment of the present invention. As shown in FIG. 5, the data transmission method includes the following steps:
  • Step 501 The access network element receives the data sent by the first core network element by using the first transmission resource, where the data is data sent to the first device group.
  • the first core network element may be an UPF.
  • the access network element may be a RAN.
  • the transmission resource between the access network element and the first core network element is referred to as a first transmission resource
  • the transmission resource between the access network element and the terminal is referred to as a second transmission resource.
  • the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group
  • the first transmission resource and/or the second transmission resource are used.
  • the resource attribute indicates that the device group corresponding to the data is the first device group;
  • the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the data is indicated by carrying group identification information of the first device group when transmitting the data.
  • the corresponding device group is the first device group.
  • Step 502 The access network element sends the data to the terminal in the first device group by using the second transmission resource, where the data is in the first core network element, the access The network element and the user plane on the terminal are transmitted.
  • the data transmission mode may be as follows:
  • the access network element sends the data to the The terminal in the first device group.
  • the access network element sends the data to the terminal in the first device group by using the common transmission resource The data carrying the group identification information of the first device group.
  • FIG. 6 is a schematic flowchart 3 of a data transmission method according to an embodiment of the present invention. As shown in FIG. 6, the data transmission method includes the following steps:
  • Step 601 The terminal receives data sent by the network element of the access network by using the second transmission resource, where the data is data sent to the first device group.
  • Step 602 The terminal identifies that the device group corresponding to the data is the first device group, where the data is transmitted on a user plane between the access network element and the terminal.
  • the data when the terminal belongs to the first device group, the data is processed, and when the terminal does not belong to the first device group, the data is discarded.
  • the device that identifies the device group corresponding to the data as the first device group may be implemented in the following manner:
  • Manner 1 When the second transmission resource is a dedicated transmission resource, the terminal identifies, by using the resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group;
  • the second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the terminal identifies, by using the group identification information of the first device group carried in the data, that the device group corresponding to the data is the first device group.
  • FIG. 7 is a schematic structural diagram of a structure of a data transmission apparatus according to an embodiment of the present invention.
  • the data transmission apparatus of this embodiment is applied to a first core network element, and the apparatus includes:
  • the receiving unit 701 is configured to receive data sent by an external network, where the data is data sent to the first device group;
  • the sending unit 702 is configured to send the data to the access network element by using the first transmission resource, so that the access network element sends the data to the first device group by using the second transmission resource.
  • the data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  • the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group
  • the resource attribute indicates that the device group corresponding to the data is the first device group
  • the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the data is indicated by carrying group identification information of the first device group when transmitting the data.
  • the corresponding device group is the first device group.
  • the device further includes:
  • the encapsulating unit 703 is configured to encapsulate the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
  • the target protocol layer is: an IP layer, or an AS layer.
  • the receiving unit 701 is configured to receive data sent by an external network by using a third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
  • the data sent by the external network carries group identification information of the first device group.
  • the resource group of the third transmission resource indicates that the device group corresponding to the data is the first device group
  • the device group corresponding to the data is the first device group.
  • the sending unit 702 passes the data through the The dedicated transmission resource is sent to the access network element.
  • the device further includes:
  • the first requesting unit 704 is configured to: if the dedicated transmission resource of the first device group does not exist between the first core network element and the access network element, the element request is in the first core network Establishing a dedicated transmission resource of the first device group between the network element and the access network element;
  • a first establishing unit 705, configured to establish, with the access network element, a dedicated transmission resource of the first device group
  • the sending unit 702 is configured to send the data to the access network element by using the dedicated transmission resource.
  • the first requesting unit 704 is configured to request, by the second core network element, the third core network element between the first core network element and the access network element. Establishing a dedicated transmission resource of the first device group; or requesting, by the third core network element, a dedicated device for establishing the first device group between the first core network element and the access network element Transfer resources.
  • the requesting unit requests to establish a dedicated transmission resource of the first device group between the first core network element and the access network element, to the third core network.
  • the network element sends the group information of the first device group, where the group information of the first device group includes at least one of the following: PDU session information, QoS flow information, QoS information, core network address information, group identification information, and IP channel. , GTP channel.
  • the sending unit 702 sends the data to the access by using the common transmission resource.
  • a network element, where the data carries group identification information of the first device group.
  • the sending unit 702 Transmitting the data to the access network element by using the public transmission resource, where the data carries group identification information of the first device group.
  • the device further includes:
  • the second requesting unit 706 is configured to request the first core network element and the access network if there is no common transmission resource between the first core network element and the access network element Establish common transmission resources between network elements;
  • a second establishing unit 707 configured to establish the public transmission resource with the access network element
  • the sending unit 702 is configured to send the data to the access network element by using the common transmission resource, where the data carries group identification information of the first device group.
  • the second requesting unit 706 is configured to request, by the second core network element, the third core network element between the first core network element and the access network element. Establishing a common transmission resource; or requesting a third core network element to establish a common transmission resource between the first core network element and the access network element.
  • FIG. 8 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention.
  • the data transmission apparatus of this embodiment is applied to an access network element, and the apparatus includes:
  • the receiving unit 801 is configured to receive, by using the first transmission resource, data sent by the first core network element, where the data is data sent to the first device group;
  • the sending unit 802 is configured to send the data to the terminal in the first device group by using a second transmission resource
  • the data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  • the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group
  • the resource attribute indicates that the device group corresponding to the data is the first device group
  • the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the data is indicated by carrying group identification information of the first device group when transmitting the data.
  • the corresponding device group is the first device group.
  • the sending unit 802 sends the data to the dedicated transmission resource. a terminal in the first device group.
  • the sending unit 802 sends the data to the first device group by using the common transmission resource.
  • the terminal where the data carries group identification information of the first device group.
  • the implementation functions of the units in the data transmission apparatus shown in FIG. 8 can be understood by referring to the related description of the foregoing data transmission method.
  • the functions of the units in the data transmission apparatus shown in FIG. 8 can be realized by a program running on a processor, or can be realized by a specific logic circuit.
  • FIG. 9 is a schematic structural diagram of a structure of a data transmission apparatus according to an embodiment of the present invention.
  • the data transmission apparatus of this embodiment is applied to a terminal, where the apparatus includes:
  • the receiving unit 901 is configured to receive data sent by the access network element by using the second transmission resource, where the data is data sent to the first device group;
  • the identifying unit 902 is configured to identify that the device group corresponding to the data is the first device group
  • the data is transmitted on a user plane between the access network element and the terminal.
  • the identifying unit 902 identifies, by using a resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group;
  • the second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
  • the identifying unit 902 identifies, by using the group identification information of the first device group carried in the data, that the device group corresponding to the data is The first device group.
  • Embodiments of the Invention may also be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer executable instructions are stored, and the computer executable instructions are executed by the processor to implement the data transmission method of the embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a computer device according to an embodiment of the present invention.
  • the computer device may be a terminal or a network device.
  • computer device 100 may include one or more (only one shown) processor 1002 (processor 1002 may include, but is not limited to, a Micro Controller Unit (MCU) or a programmable logic device.
  • a processing device such as an FPGA (Field Programmable Gate Array), a memory 1004 for storing data, and a transmission device 1006 for a communication function.
  • FPGA Field Programmable Gate Array
  • FIG. 10 is merely illustrative and does not limit the structure of the above electronic device.
  • computer device 100 may also include more or fewer components than shown in FIG. 10, or have a different configuration than that shown in FIG.
  • the memory 1004 can be used to store software programs and modules of application software, such as program instructions/modules corresponding to the method in the embodiment of the present invention, and the processor 1002 executes various functional applications by running software programs and modules stored in the memory 1004. And data processing, that is, to achieve the above method.
  • Memory 1004 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • memory 1004 can further include memory remotely located relative to processor 1002, which can be connected to computer device 100 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • Transmission device 1006 is for receiving or transmitting data via a network.
  • the network specific examples described above may include a wireless network provided by a communication provider of computer device 100.
  • the transmission device 1006 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 1006 can be a radio frequency (RF) module for communicating with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF radio frequency
  • the disclosed method and smart device may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one second processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit;
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.

Abstract

Disclosed in the present invention are a data transmission method and device, and a computer storage medium. The method comprises: a first core network element receiving data sent by an external network, said data being data sent to a first device group; and the first core network element sending the data, by means of a first transmission resource, to an access network element, so that the access network element sends the data, by means of a second transmission resource, to terminals in the first device group.

Description

一种数据传输方法及装置、计算机存储介质Data transmission method and device, computer storage medium 技术领域Technical field
本发明涉及无线通信技术领域，尤其涉及一种数据传输方法及装置、计算机存储介质。The present invention relates to the field of wireless communication technologies, and in particular, to a data transmission method and apparatus, and a computer storage medium.
背景技术Background technique
在未来的网络中，将会存在大量的物联网(IoT，Internet of Things)设备。在现有协议中，物联网设备，例如可穿戴设备或者智能家具设备，通常都会与主人的智能手机相连，此连接可以通过两者之间的直接接口，例如侧行链路(sidelink)接口直接相连。当网络需要发送给这一组终端(如穿戴设备+智能手机)消息时，按照现在的方式，会采用给每个终端发送数据，导致资源浪费严重。In the future network, there will be a large number of Internet of Things (IoT) devices. In existing protocols, IoT devices, such as wearable devices or smart furniture devices, are typically connected to the owner's smartphone, which can be directly connected via a direct interface between the two, such as the sidelink interface. Connected. When the network needs to send a message to this group of terminals (such as wearable devices + smart phones), according to the current method, data will be sent to each terminal, resulting in serious waste of resources.
发明内容Summary of the invention
为解决上述技术问题，本发明实施例提供了一种数据传输方法及装置、计算机存储介质。To solve the above technical problem, an embodiment of the present invention provides a data transmission method and apparatus, and a computer storage medium.
本发明实施例提供的数据传输方法，包括：The data transmission method provided by the embodiment of the present invention includes:
第一核心网网元接收外部网络发送的数据，其中，所述数据为向第一设备组发送的数据；Receiving, by the first core network element, data sent by the external network, where the data is data sent to the first device group;
所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，以使所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；Transmitting, by the first core network element, the data to the access network element by using the first transmission resource, so that the access network element sends the data to the first device by using the second transmission resource. a terminal in a group;
其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, the first transmission resource and/or the second transmission resource are used. The resource attribute indicates that the device group corresponding to the data is the first device group.
本发明实施例中，所述第一传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、服务质量(QoS，Quality of Service)流、协议数据单元(PDU，Protocol Data Unit)会话、IP通道、GPRS隧道协议(GTP，GPRS Tunnelling Protocol)通道。In the embodiment of the present invention, the first transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS (Quality of Service) flow, and a Protocol Data Unit (PDU). Session, IP channel, GPRS Tunneling Protocol (GTP) channel.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource are common transmission resources, the data is indicated by carrying group identification information of the first device group when transmitting the data. The corresponding device group is the first device group.
本发明实施例中，所述通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组，包括：In the embodiment of the present invention, the device group that is in the first device group is configured to carry the device group corresponding to the data by using the group identification information of the first device group when transmitting the data, including:
所述第一核心网网元将所述第一设备组的组标识信息封装在与所述终端对应的目标协议层的PDU中，所述PDU中包括所述数据。The first core network element encapsulates the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
本发明实施例中，所述目标协议层为：IP层、或AS层。In the embodiment of the present invention, the target protocol layer is: an IP layer or an AS layer.
本发明实施例中，所述第一核心网网元接收外部网络发送的数据，包括：In the embodiment of the present invention, the first core network element receives the data sent by the external network, and includes:
所述第一核心网网元通过第三传输资源接收外部网络发送的数据，其中，所述第三传输资源为所述第一设备组的专用传输资源。The first core network element receives the data sent by the external network by using the third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
本发明实施例中，所述外部网络发送的数据中携带所述第一设备组的组标识信息。In the embodiment of the present invention, the data sent by the external network carries the group identification information of the first device group.
本发明实施例中，通过所述第三传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；或者，In the embodiment of the present invention, the resource group of the third transmission resource indicates that the device group corresponding to the data is the first device group; or
通过所述数据中携带的所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。And indicating, by the group identifier information of the first device group that is carried in the data, the device group corresponding to the data is the first device group.
本发明实施例中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，包括：In the embodiment of the present invention, the first core network element sends the data to the access network element by using the first transmission resource, including:
如果所述第一核心网网元与所述接入网网元之间存在所述第一设备组的专用传输资源，则所述第一核心网网元将所述数据通过所述专用传输资源发送给接入网网元。If the first core network element and the access network element have the dedicated transmission resource of the first device group, the first core network element passes the data through the dedicated transmission resource. Send to the access network element.
本发明实施例中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，包括：In the embodiment of the present invention, the first core network element sends the data to the access network element by using the first transmission resource, including:
如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，则所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；If the first core network element and the access network element do not have the dedicated transmission resource of the first device group, the first core network element requests the first core network Establishing a dedicated transmission resource of the first device group between the element and the access network element;
所述第一核心网网元将所述数据通过所述专用传输资源发送给接入网网元。The first core network element sends the data to the access network element through the dedicated transmission resource.
本发明实施例中，所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源，包括：In the embodiment of the present invention, the first core network element requesting to establish the dedicated transmission resource of the first device group between the first core network element and the access network element includes:
所述第一核心网网元经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；或者，Requesting, by the second core network element, the second core network element to the third core network element to establish the first device group between the first core network element and the access network element Dedicated transmission resource; or,
所述第一核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源。The first core network element requests the third core network element to establish a dedicated transmission resource of the first device group between the first core network element and the access network element.
本发明实施例中，所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源时，向所述第三核心网网元发送所述第一设备组的组信息。In the embodiment of the present invention, when the first core network element requests to establish the dedicated transmission resource of the first device group between the first core network element and the access network element, The third core network element sends the group information of the first device group.
本发明实施例中，第一设备组的组信息包括如下至少之一：PDU会话信息、QoS流信息、QoS信息、核心网地址信息、组标识信息、IP通道、GTP通道。In the embodiment of the present invention, the group information of the first device group includes at least one of the following: PDU session information, QoS flow information, QoS information, core network address information, group identification information, an IP channel, and a GTP channel.
本发明实施例中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，包括：In the embodiment of the present invention, the first core network element sends the data to the access network element by using the first transmission resource, including:
如果所述第一核心网网元与所述接入网网元之间存在公共传输资源，则所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。If the first core network element and the access network element have a common transmission resource, the first core network element sends the data to the access network element by using the common transmission resource. The data carrying the group identification information of the first device group.
本发明实施例中，如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，且存在公共传输资源，则所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元。In the embodiment of the present invention, if there is no dedicated transmission resource of the first device group between the first core network element and the access network element, and there is a common transmission resource, the first core The network element sends the data to the access network element through the public transmission resource.
本发明实施例中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，包括：In the embodiment of the present invention, the first core network element sends the data to the access network element by using the first transmission resource, including:
如果所述第一核心网网元与所述接入网网元之间不存在公共传输资源，则所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；If the first core network element and the access network element do not have a common transmission resource, the first core network element requests the first core network element and the access network Establish common transmission resources between network elements;
所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。The first core network element sends the data to the access network element through the common transmission resource, where the data carries the group identification information of the first device group.
本发明实施例中，所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源，包括：In the embodiment of the present invention, the first core network element requests to establish a common transmission resource between the first core network element and the access network element, including:
所述第一核心网网元经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；或者，The first core network element is requested by the second core network element to establish a common transmission resource between the first core network element and the access network element by using a third core network element; or
所述第一核心网网元向第三核心网网元请求请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源。The first core network element requests a third core network element to establish a common transmission resource between the first core network element and the access network element.
本发明实施例提供的数据传输方法，包括：The data transmission method provided by the embodiment of the present invention includes:
接入网网元通过第一传输资源接收第一核心网网元发送的数据，其中，所述数据为向第一设备组发送的数据；The access network element receives the data sent by the first core network element by using the first transmission resource, where the data is data sent to the first device group;
所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；The access network element sends the data to the terminal in the first device group by using a second transmission resource;
其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, the first transmission resource and/or the second transmission resource are used. The resource attribute indicates that the device group corresponding to the data is the first device group.
本发明实施例中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。In the embodiment of the present invention, the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource are common transmission resources, the data is indicated by carrying group identification information of the first device group when transmitting the data. The corresponding device group is the first device group.
本发明实施例中，所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端，包括：In the embodiment of the present invention, the access network element sends the data to the terminal in the first device group by using the second transmission resource, including:
如果所述接入网网元与所述终端之间存在所述第一设备组的专用传输资源，则所述接入网网元通过所述专用传输资源将所述数据发送给所述第一设备组中的终端。And if the dedicated transmission resource of the first device group exists between the access network element and the terminal, the access network element sends the data to the first by using the dedicated transmission resource. A terminal in a device group.
本发明实施例中，所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端，包括：In the embodiment of the present invention, the access network element sends the data to the terminal in the first device group by using the second transmission resource, including:
如果所述接入网网元与所述终端之间存在公共传输资源，则所述接入网网元通过所述公共传输资源将所述数据发送给所述第一设备组中的终端，其中，所述数据中携带所述第一设备组的组标识信息。If the access network element and the terminal have a common transmission resource, the access network element sends the data to the terminal in the first device group by using the common transmission resource, where The data carries the group identification information of the first device group.
本发明实施例提供的数据传输方法，包括：The data transmission method provided by the embodiment of the present invention includes:
终端通过第二传输资源接收接入网网元发送的数据，其中，所述数据为向第一设备组发送的数据；Receiving, by the second transmission resource, the data sent by the network element of the access network, where the data is data sent to the first device group;
所述终端识别出所述数据对应的设备组为所述第一设备组；The terminal identifies that the device group corresponding to the data is the first device group;
其中，所述数据在所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the access network element and the terminal.
本发明实施例中，所述终端识别出所述数据对应的设备组为所述第一设备组，包括：In the embodiment of the present invention, the terminal identifies that the device group corresponding to the data is the first device group, and includes:
所述第二传输资源为专用传输资源时，所述终端通过所述第二传输资源的资源属性识别出所述数据对应的设备组为所述第一设备组。When the second transmission resource is a dedicated transmission resource, the terminal identifies, by using the resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group.
本发明实施例中，所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。In the embodiment of the present invention, the second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
本发明实施例中，所述终端识别出所述数据对应的设备组为所述第一设备组，包括：In the embodiment of the present invention, the terminal identifies that the device group corresponding to the data is the first device group, and includes:
所述第二传输资源为公共传输资源时，所述终端通过所述数据中携带的所述第一设备组的组标识信息识别出所述数据对应的设备组为所述第一设备组。When the second transmission resource is a common transmission resource, the terminal identifies, by using the group identification information of the first device group carried in the data, that the device group corresponding to the data is the first device group.
本发明实施例提供的数据传输装置，应用于第一核心网网元，所述装置包括：The data transmission device provided by the embodiment of the present invention is applied to a first core network element, and the device includes:
接收单元，用于接收外部网络发送的数据，其中，所述数据为向第一设备组发送的数据；a receiving unit, configured to receive data sent by an external network, where the data is data sent to the first device group;
发送单元，用于将所述数据通过第一传输资源发送给接入网网元，以使所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；a sending unit, configured to send the data to the access network element by using the first transmission resource, so that the access network element sends the data to the first device group by using the second transmission resource terminal;
其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对 应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, the first transmission resource and/or the second transmission resource are used. The resource attribute indicates that the device group corresponding to the data is the first device group.
本发明实施例中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。In the embodiment of the present invention, the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource are common transmission resources, the data is indicated by carrying group identification information of the first device group when transmitting the data. The corresponding device group is the first device group.
本发明实施例中，所述装置还包括：In the embodiment of the present invention, the device further includes:
封装单元，用于将所述第一设备组的组标识信息封装在与所述终端对应的目标协议层的PDU中，所述PDU中包括所述数据。And an encapsulating unit, configured to encapsulate the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
本发明实施例中，所述目标协议层为：IP层、或AS层。In the embodiment of the present invention, the target protocol layer is: an IP layer or an AS layer.
本发明实施例中，所述接收单元，用于通过第三传输资源接收外部网络发送的数据，其中，所述第三传输资源为所述第一设备组的专用传输资源。In the embodiment of the present invention, the receiving unit is configured to receive data sent by an external network by using a third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
本发明实施例中，所述外部网络发送的数据中携带所述第一设备组的组标识信息。In the embodiment of the present invention, the data sent by the external network carries the group identification information of the first device group.
本发明实施例中，通过所述第三传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；或者，In the embodiment of the present invention, the resource group of the third transmission resource indicates that the device group corresponding to the data is the first device group; or
通过所述数据中携带的所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。And indicating, by the group identifier information of the first device group that is carried in the data, the device group corresponding to the data is the first device group.
本发明实施例中，如果所述第一核心网网元与所述接入网网元之间存在所述第一设备组的专用传输资源，则所述发送单元将所述数据通过所述专用传输资源发送给接入网网元。In the embodiment of the present invention, if the dedicated transmission resource of the first device group exists between the first core network element and the access network element, the sending unit passes the data through the dedicated The transmission resource is sent to the access network element.
本发明实施例中，所述装置还包括：In the embodiment of the present invention, the device further includes:
第一请求单元，用于如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，则请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；a first requesting unit, configured to request, in the first core network element, if a dedicated transmission resource of the first device group does not exist between the first core network element and the access network element Establishing a dedicated transmission resource of the first device group with the access network element;
第一建立单元，用于与所述接入网网元建立所述第一设备组的专用传输资源；a first establishing unit, configured to establish, with the access network element, a dedicated transmission resource of the first device group;
所述发送单元，用于将所述数据通过所述专用传输资源发送给接入网网元。The sending unit is configured to send the data to the access network element by using the dedicated transmission resource.
本发明实施例中，所述第一请求单元，用于经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；或者，向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源。In the embodiment of the present invention, the first requesting unit is configured to request, by the second core network element, a third core network element to be established between the first core network element and the access network element. Dedicated transmission resource of the first device group; or requesting, by the third core network element, to establish a dedicated transmission of the first device group between the first core network element and the access network element Resources.
本发明实施例中，所述请求单元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源时，向所述第三核心网网元发送所述第一设备组的组信息。In the embodiment of the present invention, the requesting unit requests to establish the dedicated transmission resource of the first device group between the first core network element and the access network element, to the third core network. The network element sends the group information of the first device group.
本发明实施例中，第一设备组的组信息包括如下至少之一：PDU会话信息、QoS流信息、QoS信息、核心网地址信息、组标识信息、IP通道、GTP通道。In the embodiment of the present invention, the group information of the first device group includes at least one of the following: PDU session information, QoS flow information, QoS information, core network address information, group identification information, an IP channel, and a GTP channel.
本发明实施例中，如果所述第一核心网网元与所述接入网网元之间存在公共传输资源，则所述发送单元将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。In the embodiment of the present invention, if there is a common transmission resource between the first core network element and the access network element, the sending unit sends the data to the access network by using the common transmission resource. a network element, where the data carries group identification information of the first device group.
本发明实施例中，如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，且存在公共传输资源，则所述发送单元将所述数据通过所述公共传输资源发送给接入网网元。In the embodiment of the present invention, if there is no dedicated transmission resource of the first device group between the first core network element and the access network element, and there is a common transmission resource, the sending unit The data is sent to the access network element through the common transmission resource.
本发明实施例中，所述装置还包括：In the embodiment of the present invention, the device further includes:
第二请求单元，用于如果所述第一核心网网元与所述接入网网元之间不存在公共传输资源，则请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；a second requesting unit, configured to request, in the first core network element and the access network, if there is no common transmission resource between the first core network element and the access network element Establish public transmission resources between the elements;
第二建立单元，用于与所述接入网网元建立所述公共传输资源；a second establishing unit, configured to establish the public transmission resource with the access network element;
所述发送单元，用于将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。The sending unit is configured to send the data to the access network element by using the common transmission resource, where the data carries group identification information of the first device group.
本发明实施例中，所述第二请求单元，用于经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；或者，向第三核心网网元请求请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源。In the embodiment of the present invention, the second requesting unit is configured to request, by the second core network element, a third core network element to be established between the first core network element and the access network element. Public transmission resource; or requesting a third core network element to establish a common transmission resource between the first core network element and the access network element.
本发明实施例提供的数据传输装置，应用于接入网网元，所述装置包括：The data transmission device provided by the embodiment of the present invention is applied to an access network element, and the device includes:
接收单元，用于通过第一传输资源接收第一核心网网元发送的数据，其中，所述数据为向第一设备组发送的数据；a receiving unit, configured to receive, by using the first transmission resource, data sent by the first core network element, where the data is data sent to the first device group;
发送单元，用于通过第二传输资源将所述数据发送给所述第一设备组中的终端；a sending unit, configured to send the data to a terminal in the first device group by using a second transmission resource;
其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组.In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, the first transmission resource and/or the second transmission resource are used. The resource attribute indicates that the device group corresponding to the data is the first device group.
本发明实施例中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。In the embodiment of the present invention, the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource are common transmission resources, the data is indicated by carrying group identification information of the first device group when transmitting the data. The corresponding device group is the first device group.
本发明实施例中，如果所述接入网网元与所述终端之间存在所述第一设备组的专用传输资源，则所述发送单元通过所述专用传输资源将所述数据发送给所述第一设备组中的终端。In the embodiment of the present invention, if the dedicated transmission resource of the first device group exists between the access network element and the terminal, the sending unit sends the data to the location by using the dedicated transmission resource. The terminal in the first device group.
本发明实施例中，如果所述接入网网元与所述终端之间存在公共传输资源，则所述发送单元通过公共传输资源将所述数据发送给所述第一设备组中的终端，其中，所述数据中携带所述第一设备组的组标识信息。In the embodiment of the present invention, if there is a common transmission resource between the access network element and the terminal, the sending unit sends the data to the terminal in the first device group by using a common transmission resource. The data carries group identification information of the first device group.
本发明实施例提供的数据传输装置，应用于终端，所述装置包括：The data transmission device provided by the embodiment of the present invention is applied to a terminal, and the device includes:
接收单元，用于通过第二传输资源接收接入网网元发送的数据，其中，所述数据为向第一设备组发送的数据；a receiving unit, configured to receive data sent by an access network element by using a second transmission resource, where the data is data sent to the first device group;
识别单元，用于识别出所述数据对应的设备组为所述第一设备组；An identifying unit, configured to identify that the device group corresponding to the data is the first device group;
其中，所述数据在所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the access network element and the terminal.
本发明实施例中，所述第二传输资源为专用传输资源时，所述识别单元通过所述第二传输资源的资源属性识别出所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the second transmission resource is a dedicated transmission resource, the identification unit identifies, by using the resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group.
本发明实施例中，所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。In the embodiment of the present invention, the second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
本发明实施例中，所述第二传输资源为公共传输资源时，所述识别单元通过所述数据中携带的所述第一设备组的组标识信息识别出所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the second transmission resource is a common transmission resource, the identification unit identifies, by using the group identification information of the first device group carried in the data, a device group corresponding to the data. The first device group is described.
本发明实施例提供的计算机存储介质，其上存储有计算机可执行指令，该计算机可执行指令被处理器执行时实现上述的数据传输方法。The computer storage medium provided by the embodiment of the present invention has computer executable instructions stored thereon, and the computer executable instructions are implemented by the processor to implement the data transmission method.
本发明实施例的技术方案中，第一核心网网元接收外部网络发送的数据，其中，所述数据为向第一设备组发送的数据；所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，以使所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。采用本发明实施例的技术方案，当网络需要发送数据给一个设备组时，在用户平面上传输该设备组的组数据，无需给该设备组的每个终端都发送数据，避免了资源浪费。In the technical solution of the embodiment of the present invention, the first core network element receives the data sent by the external network, where the data is data sent to the first device group; the first core network element passes the data The first transmission resource is sent to the access network element, so that the access network element sends the data to the terminal in the first device group by using the second transmission resource; wherein the data is in the The first core network element, the access network element, and the user plane between the terminals are transmitted. According to the technical solution of the embodiment of the present invention, when the network needs to send data to a device group, the group data of the device group is transmitted on the user plane, and no data is sent to each terminal of the device group, thereby avoiding waste of resources.
附图说明DRAWINGS
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:
图1为本发明实施例的5G网络的系统架构图；1 is a system architecture diagram of a 5G network according to an embodiment of the present invention;
图2为本发明实施例的4G网络的系统架构图；2 is a system architecture diagram of a 4G network according to an embodiment of the present invention;
图3为本发明实施例的数据传输方法的流程示意图一；3 is a schematic flowchart 1 of a data transmission method according to an embodiment of the present invention;
图4为本发明实施例的用户平面传输路径的示意图；4 is a schematic diagram of a user plane transmission path according to an embodiment of the present invention;
图5为本发明实施例的数据传输方法的流程示意图二；FIG. 5 is a second schematic flowchart of a data transmission method according to an embodiment of the present invention; FIG.
图6为本发明实施例的数据传输方法的流程示意图三；6 is a schematic flowchart 3 of a data transmission method according to an embodiment of the present invention;
图7为本发明实施例的数据传输装置的结构组成示意图一；FIG. 7 is a first schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention; FIG.
图8为本发明实施例的数据传输装置的结构组成示意图二；FIG. 8 is a second schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention; FIG.
图9为本发明实施例的数据传输装置的结构组成示意图三；FIG. 9 is a third structural diagram of a data transmission apparatus according to an embodiment of the present invention; FIG.
图10为本发明实施例的计算机设备的结构组成示意图。FIG. 10 is a schematic structural diagram of a computer device according to an embodiment of the present invention.
具体实施方式Detailed ways
为了能够更加详尽地了解本发明实施例的特点与技术内容，下面结合附图对本发明实施例的实现进行详细阐述，所附附图仅供参考说明之用，并非用来限定本发明实施例。The embodiments of the present invention are described in detail below with reference to the accompanying drawings.
图1为本发明实施例的5G网络的系统架构图，如图1所示，5G网络系统中涉及到的设备包括：FIG. 1 is a system architecture diagram of a 5G network according to an embodiment of the present invention. As shown in FIG. 1 , the devices involved in the 5G network system include:
终端(UE，User Equipment)、无线接入网(RAN，Radio Access Network)、用户平面功能(UPF，User Plane Function)、数据网络(DN，Data Network)、接收核心接入和移动性管(AMF，Core Access and Mobility Management Function)、会话管理功能(SMF，Session Management Function)、策略控制功能(PCF，Policy Control function)、应用功能(AF，Application Function)、鉴权服务器功能(AUSF，Authentication Server Function)、统一数据管理(UDM，Unified Data Management)。Terminal (UE, User Equipment), Radio Access Network (RAN), User Plane Function (UPF), Data Network (DN, Data Network), Receive Core Access, and Mobility Manager (AMF) , Core Access and Mobility Management Function), Session Management Function (SMF), Policy Control Function (PCF, Policy Control Function), Application Function (AF), Authentication Server Function (AUSF, Authentication Server Function) ), Unified Data Management (UDM).
图2为本发明实施例的4G网络的系统架构图，如图2所示，4G网络系统中涉及到的设备包括：2 is a system architecture diagram of a 4G network according to an embodiment of the present invention. As shown in FIG. 2, the devices involved in the 4G network system include:
终端(UE，User Equipment)、演进通用陆地无线接入网络(E-UTRAN，Evolved Universal Terrestrial Radio Access Network)、移动管理功能(MME，Mobility Management Entity)网元、服务GPRS支持节点(SGSN，Serving GPRS Support Node)、归属签约用户服务器(HSS，Home Subscriber Server)、服务网关(Serving Gateway)、分组数据网关(PDN Gateway，Packet Data Network Gateway)、策略与计费规则功能单元(PCRF，Policy and Charging Rules Function)。Terminal (UE, User Equipment), Evolved Universal Terrestrial Radio Access Network (E-UTRAN), Mobility Management Entity (MME) network element, Serving GPRS Support Node (SGSN, Serving GPRS) Support Node), Home Subscriber Server (HSS), Serving Gateway, Packet Data Network Gateway (PDN), Policy and Charging Rules Function Unit (PCRF, Policy and Charging Rules) Function).
上述图1、图2的例子只是实现本发明实施例的一个网络架构实例，本发明实施例并不限于上述图1、图2所述的网络结构。The foregoing examples of FIG. 1 and FIG. 2 are only examples of a network architecture that implements the embodiments of the present invention. The embodiments of the present invention are not limited to the network structures described in FIG. 1 and FIG.
图3为本发明实施例的数据传输方法的流程示意图一，如图3所示，所述数据传输方法包括以下步骤：FIG. 3 is a schematic flowchart 1 of a data transmission method according to an embodiment of the present invention. As shown in FIG. 3, the data transmission method includes the following steps:
步骤301：第一核心网网元接收外部网络发送的数据，其中，所述数据为向第一设备组发送的数据。Step 301: The first core network element receives data sent by the external network, where the data is data sent to the first device group.
本发明实施例中，外部网络可以是DN，第一核心网网元可以是UPF。接入网网元可以是RAN。此外，所述第一设备可以包括一个终端，也可以包括两个或更多个终端。In the embodiment of the present invention, the external network may be a DN, and the first core network element may be an UPF. The access network element may be a RAN. In addition, the first device may include one terminal, and may also include two or more terminals.
本发明实施例中，所述第一核心网网元通过第三传输资源接收外部网络发送的数据，其中，所述第三传输资源为所述第一设备组的专用传输资源。In the embodiment of the present invention, the first core network element receives the data sent by the external network by using the third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
在一实施方式中，所述外部网络发送的数据中携带所述第一设备组的组标识信息。In an embodiment, the data sent by the external network carries group identification information of the first device group.
这里，所述数据对应的设备组通过以下方式来指示：Here, the device group corresponding to the data is indicated by:
1)通过所述第三传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；或者，1) indicating, by the resource attribute of the third transmission resource, that the device group corresponding to the data is the first device group; or
2)通过所述数据中携带的所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。2) indicating, by the group identification information of the first device group carried in the data, that the device group corresponding to the data is the first device group.
本发明实施例以5G系统为例进行说明，如图4所示，下行的组数据通过用户平面路径传输到终端，这里，组数据是指向一组设备发送的数据。In the embodiment of the present invention, the 5G system is taken as an example. As shown in FIG. 4, the downlink group data is transmitted to the terminal through the user plane path, where the group data is data sent to a group of devices.
参照图4中的步骤1，当外部网络有数据需要发送给第一设备组时，DN将数据发送到UPF，数据发送可以通过特定的组通道进行发送，例如：特定的IP地址、特定的设备地址、特定的GTP-U通道等。在一实施方式中，DN在发送的数据中携带组标识信息。Referring to step 1 in FIG. 4, when the external network has data to be sent to the first device group, the DN sends the data to the UPF, and the data transmission can be sent through a specific group channel, for example, a specific IP address, a specific device. Address, specific GTP-U channel, etc. In an embodiment, the DN carries group identification information in the transmitted data.
步骤302：所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，以使所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。Step 302: The first core network element sends the data to the access network element by using the first transmission resource, so that the access network element sends the data to the a terminal in the first device group; wherein the data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, the first transmission resource and/or the second transmission resource are used. The resource attribute indicates that the device group corresponding to the data is the first device group;
其中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource are common transmission resources, the data is indicated by carrying group identification information of the first device group when transmitting the data. The corresponding device group is the first device group.
在一实施方式中，所述第一核心网网元将所述第一设备组的组标识信息封装在与所述终端对应的目标协议层的PDU中，所述PDU中包括所述数据。In an embodiment, the first core network element encapsulates the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
这里，所述目标协议层为：IP层、或AS层。Here, the target protocol layer is: an IP layer, or an AS layer.
具体实现时，UPF可以将组标识信息封装在UPF与UE的对等协议层中(如IP层或AS层)，RAN侧不需要识别组标识信息；当UE接收到UPF对等协议层的数据单元后，可以识别出该数据是哪一个组的组数据。In a specific implementation, the UPF may encapsulate the group identification information in the peer-to-peer protocol layer of the UPF and the UE (such as the IP layer or the AS layer), and the RAN side does not need to identify the group identification information; when the UE receives the data of the UPF peer-to-peer protocol layer After the unit, you can identify which group's group data the data is.
本发明实施例中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，具体包括以下几种情况：In the embodiment of the present invention, the first core network element sends the data to the access network element through the first transmission resource, and specifically includes the following situations:
情况一：如果所述第一核心网网元与所述接入网网元之间存在所述第一设备组的专用传输资源，则所述第一核心网网元将所述数据通过所述专用传输资源发送给接入网网元。Case 1: If the first core network element and the access network element have the dedicated transmission resource of the first device group, the first core network element passes the data through the The dedicated transmission resource is sent to the access network element.
参照图4中的步骤2，当UPF接收到来自外部的组数据时将数据发送到RAN，如果RAN与UPF之间存在组专用连接通道，则UPF将数据在该组专用连接通道上发送给RAN。Referring to step 2 in FIG. 4, when the UPF receives the group data from the outside, the data is sent to the RAN. If there is a group-specific connection channel between the RAN and the UPF, the UPF sends the data to the RAN on the group of dedicated connection channels. .
情况二：如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，则所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；所述第一核心网网元将所述数据通过所述专用传输资源发送给接入网网元。Case 2: if there is no dedicated transmission resource of the first device group between the first core network element and the access network element, the first core network element requests the first Establishing a dedicated transmission resource of the first device group between the core network element and the access network element; the first core network element sends the data to the access network through the dedicated transmission resource yuan.
在一实施方式中，所述第一核心网网元经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；或者，所述第一核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源。In an embodiment, the first core network element is requested by the second core network element to the third core network element to establish a relationship between the first core network element and the access network element. Dedicating a dedicated transmission resource of the first device group; or the first core network element requesting to establish, by the third core network element, between the first core network element and the access network element A dedicated transmission resource of the first device group.
在一实施方式中，所述第一核心网网请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源时，向所述第三核心网网元发送所述第一设备组的组信息，其中，第一设备组的组信息包括如下至少之一：PDU会话信息、QoS流信 息、QoS信息、核心网地址信息、组标识信息、IP通道、GTP通道。In an embodiment, the first core network requesting to establish the dedicated transmission resource of the first device group between the first core network element and the access network element, to the first The third core network element sends the group information of the first device group, where the group information of the first device group includes at least one of the following: PDU session information, QoS flow information, QoS information, core network address information, and group identification information. , IP channel, GTP channel.
参照图4中的步骤2a、步骤2b、步骤2c和步骤2，如果RAN和UPF之间没有组专用连接通道，则在步骤2a中：UPF向核心网中的SMF发送请求建立组专用连接通道消息(简称请求消息)，其中携带组的相关信息，例如：PDU会话信息、QoS流信息、QoS信息、核心网地址信息、组标识信息等。在步骤2b中：SMF请求AMF建立UPF与RAN之间的组专用连接通道，其中携带组的相关信息，例如：PDU会话信息、QoS流信息、QoS信息、核心网地址信息、组标识信息等。AMF收到请求消息后将该请求消息发送给RAN，RAN回复响应消息确认建立组专用连接通道。AMF将响应消息传递给SMF，SMF将响应消息中的组专用连接通道信息告知UPF。Referring to step 2a, step 2b, step 2c and step 2 in FIG. 4, if there is no group-specific connection channel between the RAN and the UPF, then in step 2a: the UPF sends a request to establish a group-specific connection channel message to the SMF in the core network. (referred to as request message), which carries related information of the group, for example: PDU session information, QoS flow information, QoS information, core network address information, group identification information, and the like. In step 2b, the SMF requests the AMF to establish a group-specific connection channel between the UPF and the RAN, which carries related information of the group, such as PDU session information, QoS flow information, QoS information, core network address information, group identification information, and the like. After receiving the request message, the AMF sends the request message to the RAN, and the RAN replies with a response message confirming that the group dedicated connection channel is established. The AMF passes the response message to the SMF, which informs the UPF of the group-specific connection channel information in the response message.
情况三：如果所述第一核心网网元与所述接入网网元之间存在公共传输资源，则所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。Case 3: If there is a common transmission resource between the first core network element and the access network element, the first core network element sends the data to the access through the common transmission resource. a network element, where the data carries group identification information of the first device group.
情况三的一种特殊情况，如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，且存在公共传输资源，则所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元。a special case of the third case, if there is no dedicated transmission resource of the first device group between the first core network element and the access network element, and there is a common transmission resource, the first A core network element sends the data to the access network element through the common transmission resource.
参照图4，如果RAN和AMF之间没有组专用连接通道但是存在公共连接通道，则AMF通过该公共连接通道向RAN发送数据时同时携带组标识信息。Referring to FIG. 4, if there is no group-specific connection channel between the RAN and the AMF but there is a public connection channel, the AMF carries the group identification information while transmitting data to the RAN through the public connection channel.
情况四：如果所述第一核心网网元与所述接入网网元之间不存在公共传输资源，则所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。这里，第二核心网网元可以是SMF，第三核心网网可以是AMF。Case 4: If there is no common transmission resource between the first core network element and the access network element, the first core network element requests the first core network element and the Establishing a common transmission resource between the access network elements; the first core network element transmitting the data to the access network element by using the public transmission resource, where the data carries the first device Group identification information for the group. Here, the second core network element may be an SMF, and the third core network may be an AMF.
在一实施方式中，所述第一核心网网元经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；或者，所述第一核心网网元向第三核心网网元请求请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源。In an embodiment, the first core network element sends a request to the third core network element via the second core network element to establish a common between the first core network element and the access network element. And transmitting, by the first core network element, a request to the third core network element to establish a common transmission resource between the first core network element and the access network element.
参照图4中的步骤2a、步骤2b、步骤2c和步骤2，如果RAN和UPF之间没有公共连接通道，则在步骤2a中：UPF向核心网中的SMF发送请求建立公共连接通道消息(简称请求消息)。在步骤2b中：SMF请求AMF建立UPF与RAN之间的公共连接通道。AMF收到请求消息后将该请求消息发送给RAN，RAN回复响应消息确认建立公共连接通道。AMF将响应消息传递给SMF，SMF将响应消息中的公共连接通道信息告知UPF。Referring to step 2a, step 2b, step 2c and step 2 in FIG. 4, if there is no public connection channel between the RAN and the UPF, in step 2a: the UPF sends a request to establish a public connection channel message to the SMF in the core network (referred to as short Request message). In step 2b: the SMF requests the AMF to establish a public connection channel between the UPF and the RAN. After receiving the request message, the AMF sends the request message to the RAN, and the RAN replies with a response message confirming that the public connection channel is established. The AMF passes the response message to the SMF, which informs the UPF of the public connection channel information in the response message.
参照图4中的步骤3，当RAN收到UPF发送的组数据后，RAN将此组数据按照RAN与UE之间的协议层格式封装。如果RAN和UE之间存在组专用连接通道(例如专用的物理资源、专用的物理层标识、专用的逻辑信道、专用的承载、专用的QoS流等)，则组数据在组专用连接通道中发送给UE。如果RAN和UE之间没有组专用连接通道，则RAN在数据中携带组标识信息发送给UE。UE根据组专用连接通道识别出组数据或者根据组标识信息识别出组数据。Referring to step 3 in FIG. 4, after the RAN receives the group data sent by the UPF, the RAN encapsulates the group data according to the protocol layer format between the RAN and the UE. If there is a group-specific connection channel between the RAN and the UE (eg, dedicated physical resources, dedicated physical layer identification, dedicated logical channel, dedicated bearer, dedicated QoS flow, etc.), the group data is sent in the group-specific connection channel. Give the UE. If there is no group-specific connection channel between the RAN and the UE, the RAN carries the group identification information in the data and sends it to the UE. The UE identifies the group data according to the group-specific connection channel or identifies the group data according to the group identification information.
图5为本发明实施例的数据传输方法的流程示意图二，如图5所示，所述数据传输方法包括以下步骤：FIG. 5 is a schematic flowchart 2 of a data transmission method according to an embodiment of the present invention. As shown in FIG. 5, the data transmission method includes the following steps:
步骤501：接入网网元通过第一传输资源接收第一核心网网元发送的数据，其中，所述数据为向第一设备组发送的数据。Step 501: The access network element receives the data sent by the first core network element by using the first transmission resource, where the data is data sent to the first device group.
本发明实施例中，第一核心网网元可以是UPF。接入网网元可以是RAN。In the embodiment of the present invention, the first core network element may be an UPF. The access network element may be a RAN.
本发明实施例中，将接入网网元与第一核心网网元之间的传输资源称为第一传输资源，将接入网网元与终端之间的传输资源称为第二传输资源。In the embodiment of the present invention, the transmission resource between the access network element and the first core network element is referred to as a first transmission resource, and the transmission resource between the access network element and the terminal is referred to as a second transmission resource. .
本发明实施例中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, the first transmission resource and/or the second transmission resource are used. The resource attribute indicates that the device group corresponding to the data is the first device group;
其中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
本发明实施例中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。In the embodiment of the present invention, when the first transmission resource and/or the second transmission resource are common transmission resources, the data is indicated by carrying group identification information of the first device group when transmitting the data. The corresponding device group is the first device group.
步骤502：所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。Step 502: The access network element sends the data to the terminal in the first device group by using the second transmission resource, where the data is in the first core network element, the access The network element and the user plane on the terminal are transmitted.
本发明实施例中，根据第二传输资源是否为所述第一设备组的专用传输资源，可以具有如下数据传输方式：In the embodiment of the present invention, according to whether the second transmission resource is a dedicated transmission resource of the first device group, the data transmission mode may be as follows:
1)如果所述接入网网元与所述终端之间存在所述第一设备组的专用传输资源，则所述接入网网元通过所述专用传输资源将所述数据发送给所述第一设备组中的终端。1) if the dedicated transmission resource of the first device group exists between the access network element and the terminal, the access network element sends the data to the The terminal in the first device group.
2)如果所述接入网网元与所述终端之间存在公共传输资源，则所述接入网网元通过所述公共传输资源将所述数据发送给所述第一设备组中的终端，其中，所述数据中携带所述第一设备组的组标识信息。2) if there is a common transmission resource between the access network element and the terminal, the access network element sends the data to the terminal in the first device group by using the common transmission resource The data carrying the group identification information of the first device group.
图6为本发明实施例的数据传输方法的流程示意图三，如图6所示，所述数据传输方法包括以下步骤：FIG. 6 is a schematic flowchart 3 of a data transmission method according to an embodiment of the present invention. As shown in FIG. 6, the data transmission method includes the following steps:
步骤601：终端通过第二传输资源接收接入网网元发送的数据，其中，所述数据为向第一设备组发送的数据。Step 601: The terminal receives data sent by the network element of the access network by using the second transmission resource, where the data is data sent to the first device group.
步骤602：所述终端识别出所述数据对应的设备组为所述第一设备组；其中，所述数据在所述接入网网元以及所述终端之间的用户平面上传输。Step 602: The terminal identifies that the device group corresponding to the data is the first device group, where the data is transmitted on a user plane between the access network element and the terminal.
本发明实施例中，所述终端属于所述第一设备组时，对所述数据进行处理，所述终端不属于所述第一设备组时，丢弃所述数据。In the embodiment of the present invention, when the terminal belongs to the first device group, the data is processed, and when the terminal does not belong to the first device group, the data is discarded.
本发明实施例中，所述终端识别出所述数据对应的设备组为所述第一设备组可以通过以下方式实现：In the embodiment of the present invention, the device that identifies the device group corresponding to the data as the first device group may be implemented in the following manner:
方式一：所述第二传输资源为专用传输资源时，所述终端通过所述第二传输资源的资源属性识别出所述数据对应的设备组为所述第一设备组；Manner 1: When the second transmission resource is a dedicated transmission resource, the terminal identifies, by using the resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group;
其中，所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
方式二：所述第二传输资源为公共传输资源时，所述终端通过所述数据中携带的所述第一设备组的组标识信息识别出所述数据对应的设备组为所述第一设备组。Manner 2: When the second transmission resource is a common transmission resource, the terminal identifies, by using the group identification information of the first device group carried in the data, that the device group corresponding to the data is the first device group.
图7为本发明实施例的数据传输装置的结构组成示意图一，本实施例的数据传输装置应用于第一核心网网元，所述装置包括：FIG. 7 is a schematic structural diagram of a structure of a data transmission apparatus according to an embodiment of the present invention. The data transmission apparatus of this embodiment is applied to a first core network element, and the apparatus includes:
接收单元701，用于接收外部网络发送的数据，其中，所述数据为向第一设备组发送的数据；The receiving unit 701 is configured to receive data sent by an external network, where the data is data sent to the first device group;
发送单元702，用于将所述数据通过第一传输资源发送给接入网网元，以使所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；The sending unit 702 is configured to send the data to the access network element by using the first transmission resource, so that the access network element sends the data to the first device group by using the second transmission resource. Terminal
其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
在一实施方式中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；In an embodiment, when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, by using the first transmission resource and/or the second transmission resource The resource attribute indicates that the device group corresponding to the data is the first device group;
在一实施方式中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。In an embodiment, the first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
在一实施方式中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。In an embodiment, when the first transmission resource and/or the second transmission resource are common transmission resources, the data is indicated by carrying group identification information of the first device group when transmitting the data. The corresponding device group is the first device group.
在一实施方式中，所述装置还包括：In an embodiment, the device further includes:
封装单元703，用于将所述第一设备组的组标识信息封装在与所述终端对应的目标协议层的PDU中，所述PDU中包括所述数据。The encapsulating unit 703 is configured to encapsulate the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
在一实施方式中，所述目标协议层为：IP层、或AS层。In an embodiment, the target protocol layer is: an IP layer, or an AS layer.
在一实施方式中，所述接收单元701，用于通过第三传输资源接收外部网络发送的数据，其中，所述第三传输资源为所述第一设备组的专用传输资源。In an embodiment, the receiving unit 701 is configured to receive data sent by an external network by using a third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
在一实施方式中，所述外部网络发送的数据中携带所述第一设备组的组标识信息。In an embodiment, the data sent by the external network carries group identification information of the first device group.
在一实施方式中，通过所述第三传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；或者，In an embodiment, the resource group of the third transmission resource indicates that the device group corresponding to the data is the first device group; or
通过所述数据中携带的所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。And indicating, by the group identifier information of the first device group that is carried in the data, the device group corresponding to the data is the first device group.
在一实施方式中，如果所述第一核心网网元与所述接入网网元之间存在所述第一设备组的专用传输资源，则所述发送单元702将所述数据通过所述专用传输资源发送给接入网网元。In an embodiment, if the dedicated transmission resource of the first device group exists between the first core network element and the access network element, the sending unit 702 passes the data through the The dedicated transmission resource is sent to the access network element.
在一实施方式中，所述装置还包括：In an embodiment, the device further includes:
第一请求单元704，用于如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，则元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；The first requesting unit 704 is configured to: if the dedicated transmission resource of the first device group does not exist between the first core network element and the access network element, the element request is in the first core network Establishing a dedicated transmission resource of the first device group between the network element and the access network element;
第一建立单元705，用于与所述接入网网元建立所述第一设备组的专用传输资源；a first establishing unit 705, configured to establish, with the access network element, a dedicated transmission resource of the first device group;
所述发送单元702，用于将所述数据通过所述专用传输资源发送给接入网网元。The sending unit 702 is configured to send the data to the access network element by using the dedicated transmission resource.
在一实施方式中，所述第一请求单元704，用于经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；或者，向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源。In an embodiment, the first requesting unit 704 is configured to request, by the second core network element, the third core network element between the first core network element and the access network element. Establishing a dedicated transmission resource of the first device group; or requesting, by the third core network element, a dedicated device for establishing the first device group between the first core network element and the access network element Transfer resources.
在一实施方式中，所述请求单元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源时，向所述第三核心网网元发送所述第一设备组的组信息，其中，第一设备组的组信息包括如下至少之一：PDU会话信息、QoS流信息、QoS信息、核心网地址信息、组标识信息、IP通道、GTP通道。In an embodiment, the requesting unit requests to establish a dedicated transmission resource of the first device group between the first core network element and the access network element, to the third core network. The network element sends the group information of the first device group, where the group information of the first device group includes at least one of the following: PDU session information, QoS flow information, QoS information, core network address information, group identification information, and IP channel. , GTP channel.
在一实施方式中，如果所述第一核心网网元与所述接入网网元之间存在公共传输资源，则所述发送单元702将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。In an embodiment, if there is a common transmission resource between the first core network element and the access network element, the sending unit 702 sends the data to the access by using the common transmission resource. a network element, where the data carries group identification information of the first device group.
在一实施方式中，如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，且存在公共传输资源，则所述发送单元702将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。In an embodiment, if there is no dedicated transmission resource of the first device group and the common transmission resource exists between the first core network element and the access network element, the sending unit 702 Transmitting the data to the access network element by using the public transmission resource, where the data carries group identification information of the first device group.
在一实施方式中，所述装置还包括：In an embodiment, the device further includes:
第二请求单元706，用于如果所述第一核心网网元与所述接入网网元之间不存在公共传输资源，则请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；The second requesting unit 706 is configured to request the first core network element and the access network if there is no common transmission resource between the first core network element and the access network element Establish common transmission resources between network elements;
第二建立单元707，用于与所述接入网网元建立所述公共传输资源；a second establishing unit 707, configured to establish the public transmission resource with the access network element;
所述发送单元702，用于将所述数据通过所述公共传输资源发送给接入网网元，其中， 所述数据中携带所述第一设备组的组标识信息。The sending unit 702 is configured to send the data to the access network element by using the common transmission resource, where the data carries group identification information of the first device group.
在一实施方式中，所述第二请求单元706，用于经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；或者，向第三核心网网元请求请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源。In an embodiment, the second requesting unit 706 is configured to request, by the second core network element, the third core network element between the first core network element and the access network element. Establishing a common transmission resource; or requesting a third core network element to establish a common transmission resource between the first core network element and the access network element.
本领域技术人员应当理解，图7所示的数据传输装置中的各单元的实现功能可参照前述数据传输方法的相关描述而理解。图7所示的数据传输装置中的各单元的功能可通过运行于处理器上的程序而实现，也可通过具体的逻辑电路而实现。It will be understood by those skilled in the art that the implementation functions of the units in the data transmission apparatus shown in FIG. 7 can be understood by referring to the related description of the foregoing data transmission method. The functions of the units in the data transmission apparatus shown in FIG. 7 can be realized by a program running on the processor, or can be realized by a specific logic circuit.
图8为本发明实施例的数据传输装置的结构组成示意图二，本实施例的数据传输装置应用于接入网网元，所述装置包括：FIG. 8 is a schematic structural diagram of a data transmission apparatus according to an embodiment of the present invention. The data transmission apparatus of this embodiment is applied to an access network element, and the apparatus includes:
接收单元801，用于通过第一传输资源接收第一核心网网元发送的数据，其中，所述数据为向第一设备组发送的数据；The receiving unit 801 is configured to receive, by using the first transmission resource, data sent by the first core network element, where the data is data sent to the first device group;
发送单元802，用于通过第二传输资源将所述数据发送给所述第一设备组中的终端；The sending unit 802 is configured to send the data to the terminal in the first device group by using a second transmission resource;
其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
在一实施方式中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；In an embodiment, when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, by using the first transmission resource and/or the second transmission resource The resource attribute indicates that the device group corresponding to the data is the first device group;
其中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The first transmission resource and/or the second transmission resource have at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
在一实施方式中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。In an embodiment, when the first transmission resource and/or the second transmission resource are common transmission resources, the data is indicated by carrying group identification information of the first device group when transmitting the data. The corresponding device group is the first device group.
在一实施方式中，如果所述接入网网元与所述终端之间存在所述第一设备组的专用传输资源，则所述发送单元802通过所述专用传输资源将所述数据发送给所述第一设备组中的终端。In an embodiment, if the dedicated transmission resource of the first device group exists between the access network element and the terminal, the sending unit 802 sends the data to the dedicated transmission resource. a terminal in the first device group.
在一实施方式中，如果所述接入网网元与所述终端之间存在公共传输资源，则所述发送单元802通过所述公共传输资源将所述数据发送给所述第一设备组中的终端，其中，所述数据中携带所述第一设备组的组标识信息。In an embodiment, if there is a common transmission resource between the access network element and the terminal, the sending unit 802 sends the data to the first device group by using the common transmission resource. The terminal, where the data carries group identification information of the first device group.
本领域技术人员应当理解，图8所示的数据传输装置中的各单元的实现功能可参照前述数据传输方法的相关描述而理解。图8所示的数据传输装置中的各单元的功能可通过运行于处理器上的程序而实现，也可通过具体的逻辑电路而实现。It should be understood by those skilled in the art that the implementation functions of the units in the data transmission apparatus shown in FIG. 8 can be understood by referring to the related description of the foregoing data transmission method. The functions of the units in the data transmission apparatus shown in FIG. 8 can be realized by a program running on a processor, or can be realized by a specific logic circuit.
图9为本发明实施例的数据传输装置的结构组成示意图三，本实施例的数据传输装置应用于终端，所述装置包括：FIG. 9 is a schematic structural diagram of a structure of a data transmission apparatus according to an embodiment of the present invention. The data transmission apparatus of this embodiment is applied to a terminal, where the apparatus includes:
接收单元901，用于通过第二传输资源接收接入网网元发送的数据，其中，所述数据为向第一设备组发送的数据；The receiving unit 901 is configured to receive data sent by the access network element by using the second transmission resource, where the data is data sent to the first device group;
识别单元902，用于识别出所述数据对应的设备组为所述第一设备组；The identifying unit 902 is configured to identify that the device group corresponding to the data is the first device group;
其中，所述数据在所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the access network element and the terminal.
在一实施方式中，所述第二传输资源为专用传输资源时，所述识别单元902通过所述第二传输资源的资源属性识别出所述数据对应的设备组为所述第一设备组；In an embodiment, when the second transmission resource is a dedicated transmission resource, the identifying unit 902 identifies, by using a resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group;
其中，所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, and a GTP channel.
在一实施方式中，所述第二传输资源为公共传输资源时，所述识别单元902通过所述数据中携带的所述第一设备组的组标识信息识别出所述数据对应的设备组为所述第一设备组。In an embodiment, when the second transmission resource is a common transmission resource, the identifying unit 902 identifies, by using the group identification information of the first device group carried in the data, that the device group corresponding to the data is The first device group.
本领域技术人员应当理解，图9所示的数据传输装置中的各单元的实现功能可参照前 述数据传输方法的相关描述而理解。图9所示的数据传输装置中的各单元的功能可通过运行于处理器上的程序而实现，也可通过具体的逻辑电路而实现。It will be understood by those skilled in the art that the implementation functions of the units in the data transmission apparatus shown in Fig. 9 can be understood by referring to the related description of the foregoing data transmission method. The functions of the units in the data transmission apparatus shown in FIG. 9 can be realized by a program running on a processor, or can be realized by a specific logic circuit.
本发明实施例上述数据传输装置如果以软件功能模块的形式实现并作为独立的产品销售或使用时，也可以存储在一个计算机可读取存储介质中。基于这样的理解，本发明实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机、服务器、或者网络设备等)执行本发明各个实施例所述方法的全部或部分。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read Only Memory)、磁碟或者光盘等各种可以存储程序代码的介质。这样，本发明实施例不限制于任何特定的硬件和软件结合。Embodiments of the Invention The data transmission apparatus described above may also be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a standalone product. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions. A computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention. The foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
相应地，本发明实施例还提供一种计算机存储介质，其中存储有计算机可执行指令，该计算机可执行指令被处理器执行时实现本发明实施例的上述数据传输方法。Correspondingly, the embodiment of the present invention further provides a computer storage medium, wherein the computer executable instructions are stored, and the computer executable instructions are executed by the processor to implement the data transmission method of the embodiment of the present invention.
图10为本发明实施例的计算机设备的结构组成示意图，该计算机设备可以是终端，也可以是网络设备。如图10所示，计算机设备100可以包括一个或多个(图中仅示出一个)处理器1002(处理器1002可以包括但不限于微处理器(MCU，Micro Controller Unit)或可编程逻辑器件(FPGA，Field Programmable Gate Array)等的处理装置)、用于存储数据的存储器1004、以及用于通信功能的传输装置1006。本领域普通技术人员可以理解，图10所示的结构仅为示意，其并不对上述电子装置的结构造成限定。例如，计算机设备100还可包括比图10中所示更多或者更少的组件，或者具有与图10所示不同的配置。FIG. 10 is a schematic structural diagram of a computer device according to an embodiment of the present invention. The computer device may be a terminal or a network device. As shown in FIG. 10, computer device 100 may include one or more (only one shown) processor 1002 (processor 1002 may include, but is not limited to, a Micro Controller Unit (MCU) or a programmable logic device. A processing device such as an FPGA (Field Programmable Gate Array), a memory 1004 for storing data, and a transmission device 1006 for a communication function. It will be understood by those skilled in the art that the structure shown in FIG. 10 is merely illustrative and does not limit the structure of the above electronic device. For example, computer device 100 may also include more or fewer components than shown in FIG. 10, or have a different configuration than that shown in FIG.
存储器1004可用于存储应用软件的软件程序以及模块，如本发明实施例中的方法对应的程序指令/模块，处理器1002通过运行存储在存储器1004内的软件程序以及模块，从而执行各种功能应用以及数据处理，即实现上述的方法。存储器1004可包括高速随机存储器，还可包括非易失性存储器，如一个或者多个磁性存储装置、闪存、或者其他非易失性固态存储器。在一些实例中，存储器1004可进一步包括相对于处理器1002远程设置的存储器，这些远程存储器可以通过网络连接至计算机设备100。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。The memory 1004 can be used to store software programs and modules of application software, such as program instructions/modules corresponding to the method in the embodiment of the present invention, and the processor 1002 executes various functional applications by running software programs and modules stored in the memory 1004. And data processing, that is, to achieve the above method. Memory 1004 can include high speed random access memory, and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, memory 1004 can further include memory remotely located relative to processor 1002, which can be connected to computer device 100 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
传输装置1006用于经由一个网络接收或者发送数据。上述的网络具体实例可包括计算机设备100的通信供应商提供的无线网络。在一个实例中，传输装置1006包括一个网络适配器(NIC，Network Interface Controller)，其可通过基站与其他网络设备相连从而可与互联网进行通讯。在一个实例中，传输装置1006可以为射频(RF，Radio Frequency)模块，其用于通过无线方式与互联网进行通讯。Transmission device 1006 is for receiving or transmitting data via a network. The network specific examples described above may include a wireless network provided by a communication provider of computer device 100. In one example, the transmission device 1006 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet. In one example, the transmission device 1006 can be a radio frequency (RF) module for communicating with the Internet wirelessly.
本发明实施例所记载的技术方案之间，在不冲突的情况下，可以任意组合。The technical solutions described in the embodiments of the present invention can be arbitrarily combined without conflict.
在本发明所提供的几个实施例中，应该理解到，所揭露的方法和智能设备，可以通过其它的方式实现。以上所描述的设备实施例仅仅是示意性的，例如，所述单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，如：多个单元或组件可以结合，或可以集成到另一个系统，或一些特征可以忽略，或不执行。另外，所显示或讨论的各组成部分相互之间的耦合、或直接耦合、或通信连接可以是通过一些接口，设备或单元的间接耦合或通信连接，可以是电性的、机械的或其它形式的。In the several embodiments provided by the present invention, it should be understood that the disclosed method and smart device may be implemented in other manners. The device embodiments described above are merely illustrative. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed. In addition, the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
上述作为分离部件说明的单元可以是、或也可以不是物理上分开的，作为单元显示的部件可以是、或也可以不是物理单元，即可以位于一个地方，也可以分布到多个网络单元上；可以根据实际的需要选择其中的部分或全部单元来实现本实施例方案的目的。The units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
另外，在本发明各实施例中的各功能单元可以全部集成在一个第二处理单元中，也可以是各单元分别单独作为一个单元，也可以两个或两个以上单元集成在一个单元中；上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。In addition, each functional unit in each embodiment of the present invention may be integrated into one second processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit; The above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟 悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。The above is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention. It should be covered by the scope of the present invention.

Claims (57)

  1. 一种数据传输方法，所述方法包括：A data transmission method, the method comprising:
    第一核心网网元接收外部网络发送的数据，其中，所述数据为向第一设备组发送的数据；Receiving, by the first core network element, data sent by the external network, where the data is data sent to the first device group;
    所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，以使所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；Transmitting, by the first core network element, the data to the access network element by using the first transmission resource, so that the access network element sends the data to the first device by using the second transmission resource. a terminal in a group;
    其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  2. 根据权利要求1所述的方法，其中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组。The method according to claim 1, wherein the first transmission resource and/or the second transmission resource are dedicated transmission resources of the first device group, by using the first transmission resource and/or The resource attribute of the second transmission resource indicates that the device group corresponding to the data is the first device group.
  3. 根据权利要求2所述的方法，其中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、服务质量QoS流、协议数据单元PDU会话、IP通道、GPRS隧道协议GTP通道。The method according to claim 2, wherein the first transmission resource and/or the second transmission resource have at least one resource attribute: physical layer identification, logical channel, bearer, quality of service QoS flow, protocol data Unit PDU session, IP channel, GPRS tunneling protocol GTP channel.
  4. 根据权利要求1所述的方法，其中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。The method according to claim 1, wherein when the first transmission resource and/or the second transmission resource are common transmission resources, by carrying the group identification information of the first device group when transmitting the data The device group corresponding to the data is indicated as the first device group.
  5. 根据权利要求4所述的方法，其中，所述通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组，包括：The method according to claim 4, wherein the device group corresponding to the data is indicated by the group identification information of the first device group when the data is transmitted, and the device group corresponding to the data is the first device group, including:
    所述第一核心网网元将所述第一设备组的组标识信息封装在与所述终端对应的目标协议层的PDU中，所述PDU中包括所述数据。The first core network element encapsulates the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
  6. 根据权利要求5所述的方法，其中，所述目标协议层为：IP层、或AS层。The method of claim 5, wherein the target protocol layer is an IP layer, or an AS layer.
  7. 根据权利要求1至6任一项所述的方法，其中，所述第一核心网网元接收外部网络发送的数据，包括：The method according to any one of claims 1 to 6, wherein the first core network element receives data sent by an external network, including:
    所述第一核心网网元通过第三传输资源接收外部网络发送的数据，其中，所述第三传输资源为所述第一设备组的专用传输资源。The first core network element receives the data sent by the external network by using the third transmission resource, where the third transmission resource is a dedicated transmission resource of the first device group.
  8. 根据权利要求7所述的方法，其中，所述外部网络发送的数据中携带所述第一设备组的组标识信息。The method according to claim 7, wherein the data sent by the external network carries group identification information of the first device group.
  9. 根据权利要求7或8所述的方法，其中，The method according to claim 7 or 8, wherein
    通过所述第三传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；或者，Determining, by the resource attribute of the third transmission resource, a device group corresponding to the data as the first device group; or
    通过所述数据中携带的所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。And indicating, by the group identifier information of the first device group that is carried in the data, the device group corresponding to the data is the first device group.
  10. 根据权利要求1至9任一项所述的方法，其中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，包括：The method according to any one of claims 1 to 9, wherein the first core network element sends the data to the access network element by using the first transmission resource, including:
    如果所述第一核心网网元与所述接入网网元之间存在所述第一设备组的专用传输资源，则所述第一核心网网元将所述数据通过所述专用传输资源发送给接入网网元。If the first core network element and the access network element have the dedicated transmission resource of the first device group, the first core network element passes the data through the dedicated transmission resource. Send to the access network element.
  11. 根据权利要求1至9任一项所述的方法，其中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，包括：The method according to any one of claims 1 to 9, wherein the first core network element sends the data to the access network element by using the first transmission resource, including:
    如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，则所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；If the first core network element and the access network element do not have the dedicated transmission resource of the first device group, the first core network element requests the first core network Establishing a dedicated transmission resource of the first device group between the element and the access network element;
    所述第一核心网网元将所述数据通过所述专用传输资源发送给接入网网元。The first core network element sends the data to the access network element through the dedicated transmission resource.
  12. 根据权利要求11所述的方法，其中，所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源，包括：The method according to claim 11, wherein the first core network element requests to establish a dedicated transmission resource of the first device group between the first core network element and the access network element ,include:
    所述第一核心网网元经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；或者，Requesting, by the second core network element, the second core network element to the third core network element to establish the first device group between the first core network element and the access network element Dedicated transmission resource; or,
    所述第一核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源。The first core network element requests the third core network element to establish a dedicated transmission resource of the first device group between the first core network element and the access network element.
  13. 根据权利要求11或12所述的方法，其中，所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源时，向所述第三核心网网元发送所述第一设备组的组信息。The method according to claim 11 or 12, wherein the first core network element requests to establish a dedicated use of the first device group between the first core network element and the access network element When the resource is transmitted, the group information of the first device group is sent to the third core network element.
  14. 根据权利要求13所述的方法，其中，第一设备组的组信息包括如下至少之一：PDU会话信息、QoS流信息、QoS信息、核心网地址信息、组标识信息、IP通道、GTP通道。The method according to claim 13, wherein the group information of the first device group comprises at least one of: PDU session information, QoS flow information, QoS information, core network address information, group identification information, an IP channel, and a GTP channel.
  15. 根据权利要求1至9任一项所述的方法，其中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，包括：The method according to any one of claims 1 to 9, wherein the first core network element sends the data to the access network element by using the first transmission resource, including:
    如果所述第一核心网网元与所述接入网网元之间存在公共传输资源，则所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。If the first core network element and the access network element have a common transmission resource, the first core network element sends the data to the access network element by using the common transmission resource. The data carrying the group identification information of the first device group.
  16. 根据权利要求15所述的方法，其中，如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，且存在公共传输资源，则所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元。The method according to claim 15, wherein if the dedicated transmission resource of the first device group does not exist between the first core network element and the access network element, and there is a common transmission resource, The first core network element sends the data to the access network element through the common transmission resource.
  17. 根据权利要求1至9任一项所述的方法，其中，所述第一核心网网元将所述数据通过第一传输资源发送给接入网网元，包括：The method according to any one of claims 1 to 9, wherein the first core network element sends the data to the access network element by using the first transmission resource, including:
    如果所述第一核心网网元与所述接入网网元之间不存在公共传输资源，则所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；If the first core network element and the access network element do not have a common transmission resource, the first core network element requests the first core network element and the access network Establish common transmission resources between network elements;
    所述第一核心网网元将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。The first core network element sends the data to the access network element through the common transmission resource, where the data carries the group identification information of the first device group.
  18. 根据权利要求17所述的方法，其中，所述第一核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源，包括：The method of claim 17, wherein the first core network element requests to establish a common transmission resource between the first core network element and the access network element, including:
    所述第一核心网网元经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；或者，The first core network element is requested by the second core network element to establish a common transmission resource between the first core network element and the access network element by using a third core network element; or
    所述第一核心网网元向第三核心网网元请求请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源。The first core network element requests a third core network element to establish a common transmission resource between the first core network element and the access network element.
  19. 一种数据传输方法，所述方法包括：A data transmission method, the method comprising:
    接入网网元通过第一传输资源接收第一核心网网元发送的数据，其中，所述数据为向第一设备组发送的数据；The access network element receives the data sent by the first core network element by using the first transmission resource, where the data is data sent to the first device group;
    所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；The access network element sends the data to the terminal in the first device group by using a second transmission resource;
    其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  20. 根据权利要求19所述的方法，其中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组。The method according to claim 19, wherein when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, the first transmission resource and/or the The resource attribute of the second transmission resource indicates that the device group corresponding to the data is the first device group.
  21. 根据权利要求20所述的方法，其中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The method according to claim 20, wherein the first transmission resource and/or the second transmission resource have at least one resource attribute: physical layer identification, logical channel, bearer, QoS flow, PDU session, IP Channel, GTP channel.
  22. 根据权利要求19所述的方法，其中，所述第一传输资源和/或所述第二传输资 源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。The method according to claim 19, wherein when the first transmission resource and/or the second transmission resource are common transmission resources, by carrying the group identification information of the first device group when transmitting the data The device group corresponding to the data is indicated as the first device group.
  23. 根据权利要求19至22任一项所述的方法，其中，所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端，包括：The method according to any one of claims 19 to 22, wherein the access network element sends the data to the terminal in the first device group by using the second transmission resource, including:
    如果所述接入网网元与所述终端之间存在所述第一设备组的专用传输资源，则所述接入网网元通过所述专用传输资源将所述数据发送给所述第一设备组中的终端。And if the dedicated transmission resource of the first device group exists between the access network element and the terminal, the access network element sends the data to the first by using the dedicated transmission resource. A terminal in a device group.
  24. 根据权利要求19至22任一项所述的方法，其中，所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端，包括：The method according to any one of claims 19 to 22, wherein the access network element sends the data to the terminal in the first device group by using the second transmission resource, including:
    如果所述接入网网元与所述终端之间存在公共传输资源，则所述接入网网元通过所述公共传输资源将所述数据发送给所述第一设备组中的终端，其中，所述数据中携带所述第一设备组的组标识信息。If the access network element and the terminal have a common transmission resource, the access network element sends the data to the terminal in the first device group by using the common transmission resource, where The data carries the group identification information of the first device group.
  25. 一种数据传输方法，所述方法包括：A data transmission method, the method comprising:
    终端通过第二传输资源接收接入网网元发送的数据，其中，所述数据为向第一设备组发送的数据；Receiving, by the second transmission resource, the data sent by the network element of the access network, where the data is data sent to the first device group;
    所述终端识别出所述数据对应的设备组为所述第一设备组；The terminal identifies that the device group corresponding to the data is the first device group;
    其中，所述数据在所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the access network element and the terminal.
  26. 根据权利要求25所述的方法，其中，所述终端识别出所述数据对应的设备组为所述第一设备组，包括：The method according to claim 25, wherein the terminal identifies that the device group corresponding to the data is the first device group, and includes:
    所述第二传输资源为专用传输资源时，所述终端通过所述第二传输资源的资源属性识别出所述数据对应的设备组为所述第一设备组。When the second transmission resource is a dedicated transmission resource, the terminal identifies, by using the resource attribute of the second transmission resource, that the device group corresponding to the data is the first device group.
  27. 根据权利要求26所述的方法，其中，所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The method of claim 26, wherein the second transmission resource has at least one resource attribute: a physical layer identifier, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, a GTP channel.
  28. 根据权利要求25所述的方法，其中，所述终端识别出所述数据对应的设备组为所述第一设备组，包括：The method according to claim 25, wherein the terminal identifies that the device group corresponding to the data is the first device group, and includes:
    所述第二传输资源为公共传输资源时，所述终端通过所述数据中携带的所述第一设备组的组标识信息识别出所述数据对应的设备组为所述第一设备组。When the second transmission resource is a common transmission resource, the terminal identifies, by using the group identification information of the first device group carried in the data, that the device group corresponding to the data is the first device group.
  29. 一种数据传输装置，应用于第一核心网网元，所述装置包括：A data transmission device is applied to a first core network element, and the device includes:
    接收单元，用于接收外部网络发送的数据，其中，所述数据为向第一设备组发送的数据；a receiving unit, configured to receive data sent by an external network, where the data is data sent to the first device group;
    发送单元，用于将所述数据通过第一传输资源发送给接入网网元，以使所述接入网网元通过第二传输资源将所述数据发送给所述第一设备组中的终端；a sending unit, configured to send the data to the access network element by using the first transmission resource, so that the access network element sends the data to the first device group by using the second transmission resource terminal;
    其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  30. 根据权利要求29所述的装置，其中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组。The apparatus according to claim 29, wherein when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, by using the first transmission resource and/or The resource attribute of the second transmission resource indicates that the device group corresponding to the data is the first device group.
  31. 根据权利要求30所述的装置，其中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The apparatus according to claim 30, wherein said first transmission resource and/or said second transmission resource have at least one resource attribute: physical layer identification, logical channel, bearer, QoS flow, PDU session, IP Channel, GTP channel.
  32. 根据权利要求29所述的装置，其中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。The apparatus according to claim 29, wherein when the first transmission resource and/or the second transmission resource are common transmission resources, the group identification information of the first device group is carried by transmitting the data The device group corresponding to the data is indicated as the first device group.
  33. 根据权利要求32所述的装置，其中，所述装置还包括：The device of claim 32, wherein the device further comprises:
    封装单元，用于将所述第一设备组的组标识信息封装在与所述终端对应的目标协议层的PDU中，所述PDU中包括所述数据。And an encapsulating unit, configured to encapsulate the group identification information of the first device group in a PDU of a target protocol layer corresponding to the terminal, where the PDU includes the data.
  34. 根据权利要求33所述的装置，其中，所述目标协议层为：IP层、或AS层。The apparatus of claim 33, wherein the target protocol layer is an IP layer, or an AS layer.
  35. 根据权利要求29至34任一项所述的装置，其中，所述接收单元，用于通过第三传输资源接收外部网络发送的数据，其中，所述第三传输资源为所述第一设备组的专用传输资源。The device according to any one of claims 29 to 34, wherein the receiving unit is configured to receive data sent by an external network by using a third transmission resource, where the third transmission resource is the first device group Dedicated transmission resource.
  36. 根据权利要求35所述的装置，其中，所述外部网络发送的数据中携带所述第一设备组的组标识信息。The device according to claim 35, wherein the data sent by the external network carries group identification information of the first device group.
  37. 根据权利要求35或36所述的装置，其中，A device according to claim 35 or 36, wherein
    通过所述第三传输资源的资源属性指示所述数据对应的设备组为所述第一设备组；或者，Determining, by the resource attribute of the third transmission resource, a device group corresponding to the data as the first device group; or
    通过所述数据中携带的所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。And indicating, by the group identifier information of the first device group that is carried in the data, the device group corresponding to the data is the first device group.
  38. 根据权利要求29至37任一项所述的装置，其中，如果所述第一核心网网元与所述接入网网元之间存在所述第一设备组的专用传输资源，则所述发送单元将所述数据通过所述专用传输资源发送给接入网网元。The apparatus according to any one of claims 29 to 37, wherein if a dedicated transmission resource of the first device group exists between the first core network element and the access network element, The sending unit sends the data to the access network element through the dedicated transmission resource.
  39. 根据权利要求29至37任一项所述的装置，其中，所述装置还包括：The device according to any one of claims 29 to 37, wherein the device further comprises:
    第一请求单元，用于如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，则请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；a first requesting unit, configured to request, in the first core network element, if a dedicated transmission resource of the first device group does not exist between the first core network element and the access network element Establishing a dedicated transmission resource of the first device group with the access network element;
    第一建立单元，用于与所述接入网网元建立所述第一设备组的专用传输资源；a first establishing unit, configured to establish, with the access network element, a dedicated transmission resource of the first device group;
    所述发送单元，用于将所述数据通过所述专用传输资源发送给接入网网元。The sending unit is configured to send the data to the access network element by using the dedicated transmission resource.
  40. 根据权利要求39所述的装置，其中，所述第一请求单元，用于经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源；或者，向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源。The apparatus according to claim 39, wherein the first requesting unit is configured to request, by the second core network element, the first core network element and the access network to the third core network element. Establishing, by the network element, the dedicated transmission resource of the first device group; or requesting, by the third core network element, to establish the first between the first core network element and the access network element A dedicated transport resource for a device group.
  41. 根据权利要求39或40所述的装置，其中，所述请求单元请求在所述第一核心网网元与所述接入网网元之间建立所述第一设备组的专用传输资源时，向所述第三核心网网元发送所述第一设备组的组信息。The apparatus according to claim 39 or 40, wherein the requesting unit requests to establish a dedicated transmission resource of the first device group between the first core network element and the access network element, Sending group information of the first device group to the third core network element.
  42. 根据权利要求41所述的装置，其中，第一设备组的组信息包括如下至少之一：PDU会话信息、QoS流信息、QoS信息、核心网地址信息、组标识信息、IP通道、GTP通道。The apparatus according to claim 41, wherein the group information of the first device group comprises at least one of PDU session information, QoS flow information, QoS information, core network address information, group identification information, an IP channel, and a GTP channel.
  43. 根据权利要求29至37任一项所述的装置，其中，如果所述第一核心网网元与所述接入网网元之间存在公共传输资源，则所述发送单元将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。The apparatus according to any one of claims 29 to 37, wherein if there is a common transmission resource between the first core network element and the access network element, the transmitting unit passes the data The public transmission resource is sent to the network element of the access network, where the data carries the group identification information of the first device group.
  44. 根据权利要求43所述的装置，其中，如果所述第一核心网网元与所述接入网网元之间不存在所述第一设备组的专用传输资源，且存在公共传输资源，则所述发送单元将所述数据通过所述公共传输资源发送给接入网网元。The apparatus according to claim 43, wherein if there is no dedicated transmission resource of the first device group between the first core network element and the access network element, and there is a common transmission resource, The sending unit sends the data to the access network element through the common transmission resource.
  45. 根据权利要求29至37任一项所述的装置，其中，所述装置还包括：The device according to any one of claims 29 to 37, wherein the device further comprises:
    第二请求单元，用于如果所述第一核心网网元与所述接入网网元之间不存在公共传输资源，则请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；a second requesting unit, configured to request, in the first core network element and the access network, if there is no common transmission resource between the first core network element and the access network element Establish public transmission resources between the elements;
    第二建立单元，用于与所述接入网网元建立所述公共传输资源；a second establishing unit, configured to establish the public transmission resource with the access network element;
    所述发送单元，用于将所述数据通过所述公共传输资源发送给接入网网元，其中，所述数据中携带所述第一设备组的组标识信息。The sending unit is configured to send the data to the access network element by using the common transmission resource, where the data carries group identification information of the first device group.
  46. 根据权利要求45所述的装置，其中，所述第二请求单元，用于经第二核心网网元向第三核心网网元请求在所述第一核心网网元与所述接入网网元之间建立公共传输资源；或者，向第三核心网网元请求请求在所述第一核心网网元与所述接入网网元之 间建立公共传输资源。The apparatus according to claim 45, wherein the second requesting unit is configured to request, by the second core network element, the first core network element and the access network to the third core network element. Establishing a common transmission resource between the network elements; or requesting the third core network element to establish a common transmission resource between the first core network element and the access network element.
  47. 一种数据传输装置，应用于接入网网元，所述装置包括：A data transmission device is applied to an access network element, and the device includes:
    接收单元，用于通过第一传输资源接收第一核心网网元发送的数据，其中，所述数据为向第一设备组发送的数据；a receiving unit, configured to receive, by using the first transmission resource, data sent by the first core network element, where the data is data sent to the first device group;
    发送单元，用于通过第二传输资源将所述数据发送给所述第一设备组中的终端；a sending unit, configured to send the data to a terminal in the first device group by using a second transmission resource;
    其中，所述数据在所述第一核心网网元、所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the first core network element, the access network element, and the terminal.
  48. 根据权利要求47所述的装置，其中，所述第一传输资源和/或所述第二传输资源为所述第一设备组的专用传输资源时，通过所述第一传输资源和/或所述第二传输资源的资源属性指示所述数据对应的设备组为所述第一设备组。The apparatus according to claim 47, wherein when the first transmission resource and/or the second transmission resource is a dedicated transmission resource of the first device group, the first transmission resource and/or the The resource attribute of the second transmission resource indicates that the device group corresponding to the data is the first device group.
  49. 根据权利要求48所述的装置，其中，所述第一传输资源和/或所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The apparatus according to claim 48, wherein said first transmission resource and/or said second transmission resource have at least one resource attribute: physical layer identification, logical channel, bearer, QoS flow, PDU session, IP Channel, GTP channel.
  50. 根据权利要求47所述的装置，其中，所述第一传输资源和/或所述第二传输资源为公共传输资源时，通过在传输所述数据时携带所述第一设备组的组标识信息来指示所述数据对应的设备组为所述第一设备组。The device according to claim 47, wherein when the first transmission resource and/or the second transmission resource are common transmission resources, by carrying the group identification information of the first device group when transmitting the data The device group corresponding to the data is indicated as the first device group.
  51. 根据权利要求47至50任一项所述的装置，其中，如果所述接入网网元与所述终端之间存在所述第一设备组的专用传输资源，则所述发送单元通过所述专用传输资源将所述数据发送给所述第一设备组中的终端。The apparatus according to any one of claims 47 to 50, wherein if the dedicated transmission resource of the first device group exists between the access network element and the terminal, the sending unit passes the A dedicated transmission resource transmits the data to a terminal in the first device group.
  52. 根据权利要求47至50任一项所述的装置，其中，如果所述接入网网元与所述终端之间存在公共传输资源，则所述发送单元通过公共传输资源将所述数据发送给所述第一设备组中的终端，其中，所述数据中携带所述第一设备组的组标识信息。The apparatus according to any one of claims 47 to 50, wherein if there is a common transmission resource between the access network element and the terminal, the transmitting unit sends the data to the public transmission resource a terminal in the first device group, where the data carries group identification information of the first device group.
  53. 一种数据传输装置，应用于终端，所述装置包括：A data transmission device is applied to a terminal, the device comprising:
    接收单元，用于通过第二传输资源接收接入网网元发送的数据，其中，所述数据为向第一设备组发送的数据；a receiving unit, configured to receive data sent by an access network element by using a second transmission resource, where the data is data sent to the first device group;
    识别单元，用于识别出所述数据对应的设备组为所述第一设备组；An identifying unit, configured to identify that the device group corresponding to the data is the first device group;
    其中，所述数据在所述接入网网元以及所述终端之间的用户平面上传输。The data is transmitted on a user plane between the access network element and the terminal.
  54. 根据权利要求53所述的装置，其中，所述第二传输资源为专用传输资源时，所述识别单元通过所述第二传输资源的资源属性识别出所述数据对应的设备组为所述第一设备组。The device according to claim 53, wherein, when the second transmission resource is a dedicated transmission resource, the identifying unit identifies, by using a resource attribute of the second transmission resource, a device group corresponding to the data as the A device group.
  55. 根据权利要求54所述的装置，其中，所述第二传输资源具有如下至少一种资源属性：物理层标识、逻辑信道、承载、QoS流、PDU会话、IP通道、GTP通道。The apparatus of claim 54, wherein the second transmission resource has at least one resource attribute: a physical layer identification, a logical channel, a bearer, a QoS flow, a PDU session, an IP channel, a GTP channel.
  56. 根据权利要求53所述的装置，其中，所述第二传输资源为公共传输资源时，所述识别单元通过所述数据中携带的所述第一设备组的组标识信息识别出所述数据对应的设备组为所述第一设备组。The device according to claim 53, wherein the identification unit identifies the data corresponding by the group identification information of the first device group carried in the data when the second transmission resource is a common transmission resource. The device group is the first device group.
  57. 一种计算机存储介质，其上存储有计算机可执行指令，该计算机可执行指令被处理器执行时实现权利要求1至18任一项所述的方法步骤，或者权利要求19至24任一项所述的方法步骤，或者权利要求25至28任一项所述的方法步骤。A computer storage medium having stored thereon computer executable instructions for performing the method steps of any one of claims 1 to 18 when executed by a processor, or by any of claims 19 to The method step described, or the method step of any one of claims 25 to 28.
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